Author's Preface
His mother's story had taken forty minutes to tell and had left Cassian sitting on the study floor feeling as if the family he'd grown up believing he understood had been quietly replaced, plank by plank, with a different family entirely — one built on the same foundations but constructed, this whole time, from secrets nobody had trusted him to carry.
Moira had given up a son at nineteen, pressured by her own parents, unmarried, poor, and terrified — a story so common and so unremarkable, Karla said gently, that it barely counted as scandal by the standards of the world Moira had grown up in, except that Moira had never told a single soul afterward, not even her husband, not even her own daughter-in-law, until three months ago, when a letter had arrived at the house addressed simply to M. Wintermere , containing nothing but a photograph and a date and a question that had taken Moira four sleepless nights to answer.
He'd found her. That was the whole of it, as far as Karla understood it. A grown man, decades later, tracking down the mother who'd given him away, not for revenge, not with any of the menace Cassian had spent three days assuming — just looking, the way people look, for the shape of where they came from.
"She was terrified to tell any of us," Karla had said, twisting her hands in her lap. "Terrified it would look like — I don't know, like a betrayal of your grandad, of this whole family, even though it happened before any of us existed. She swore me to secrecy the week before your dad died. I've been carrying it since, not knowing what to do with it, and then everything else happened, and it just — there was never a right moment."
It didn't explain everything. It didn't explain the murders, the poison, the blade. But it reframed the shape of Cassian's grandmother from suspect into something closer to the person everyone else in this story was circling — a woman with a secret, yes, but a secret that made her a target for someone else's rage far more plausibly than it made her the architect of anything.
Cassian left the study with his head spinning and one single, urgent thought crowding out everything else.
If Zack really is her son — if that's real, and not just a theory I built out of matching numbers — then I've been watching the wrong person for three days.
He needed to talk to him. Properly. Not the polite, performed conversation from Wednesday afternoon, handshakes and small talk in a kitchen full of people watching. Alone. Today. There wasn't time left to be careful about it.
He found Zack's number, unbelievably, taped inside the kitchen calendar where his mother had written it down for logistics — flight time, meeting point, a mobile number under Zack (Malcolm's fiancé) in his mother's careful handwriting — and he called it standing in the back garden with his heart going hard enough that he could feel it in his throat.
Zack picked up on the third ring.
"Hello?"
"It's Cassian." A pause, the particular silence of a man recalibrating, and Cassian pushed through it before his nerve could fail him. "I need to talk to you. Today. Not on the phone — in person. It's about my grandmother."
The silence on the other end went on a beat too long to be casual.
"Where," Zack said finally, and his voice had changed — the warm, performed ease from the kitchen entirely gone, replaced by something flatter, more careful, more real.
They met an hour later at a café two streets from the house, a place Cassian had chosen because it was public and ordinary and full of people who wouldn't notice or care about a boy and a stranger sitting in the back booth. Zack was already there when Cassian arrived, a coffee going cold in front of him, and he looked different than he had in the kitchen — tireder, the practiced smile entirely absent, replaced by an expression Cassian didn't have a name for yet but recognized instantly, on some deep animal level, because he'd been wearing a version of it himself for three days.
It was the specific exhaustion of someone carrying knowledge they weren't supposed to have.
"You found the drawer," Zack said, before Cassian had even sat down. Not a question.
"How do you know about the drawer?"
"I don't, exactly. I know about the letter." Zack pushed his cold coffee an inch to the side, made room on the table like he was clearing space for something heavier than furniture. "Sit down, Cassian. I think we both know this isn't a normal conversation, so let's not waste time pretending it is."
Cassian sat, every muscle in his body wound tight, ready to run if this went wrong, though some instinct he didn't fully trust yet was already telling him it wouldn't.
"You're her son," he said. "Moira's. The one she gave up."
Something moved across Zack's face — not surprise, exactly, more like relief, the specific relief of a person who has been holding a heavy thing alone and has just been told they can finally set part of it down.
"Yes," he said simply. "I found her three months ago. I wasn't looking for revenge, or money, or anything you're probably imagining — I know how that looks, a stranger showing up right before things start going wrong. I was looking for her because I'm thirty-six years old and I have spent my entire life not knowing where half of myself came from, and I got tired of not knowing." He wrapped both hands around the cold coffee cup, not drinking it, just holding it, the way people hold things for the comfort of the shape rather than the contents. "I never meant for any of this to happen. I need you to believe that, even though I understand you have absolutely no reason to."
"Then explain the watch," Cassian said, and his voice came out sharper than he meant it to, three days of fear finally finding a place to land. "On the plane. Right before it went down — you checked your watch. Like you were timing something. Like you already knew."
Zack went very still.
"You remember that," he said slowly, and it wasn't a question either, it was the sound of a man confirming a thing he'd desperately hoped and desperately feared at the same time. "You actually remember it. The crash."
The café noise seemed to fall away around them — the hiss of the espresso machine, the low murmur of other conversations, all of it receding into background static while Cassian stared at the man across the table and felt something vast and impossible click into a shape he hadn't let himself consider until this exact second.
"How do you know what I remember," he said, very carefully, "unless you remember it too."
Zack closed his eyes for a moment, and when he opened them again, there were tears in them, unhidden, unperformed, nothing like the polished warmth he'd worn in the kitchen two days ago.
"I woke up on Tuesday morning," he said, "in my flat, three days before a flight I hadn't even fully agreed to be on yet, with the sound of my own fiancé's throat being cut still in my ears. I thought I was losing my mind. I've spent every hour since trying to work out if it was real, and trying to work out what to do with it if it was, and I have not slept — properly slept — since it happened, because every time I close my eyes I see exactly what you're seeing when you close yours."
Cassian sat frozen, the enormity of it moving through him in slow, cold waves. He had spent three days assuming he was the only person carrying this impossible weight — the only person who'd been handed a second chance nobody else knew existed. It had never once occurred to him that the loop might not be his alone.
"Why you," he managed finally. "Why would it give it to you too?"
"I don't know." Zack's hands were shaking now, faintly, around the cold cup. "I've thought about nothing else for three days. I keep coming back to the same thing — maybe it's not about who deserves it, or who's important. Maybe it's about who was closest. Malcolm died right in front of me, Cassian. I was the last person to touch him before it happened — I was sitting in the row right behind the cockpit, I felt the door catch my shoulder when it swung open, I saw it happen close enough to—" His voice broke, and for a moment he had to stop, jaw working, before he could continue. "Maybe proximity to the moment itself is what matters. You were close to it too. Second row. You said the door was ajar right by you."
Cassian's stomach turned over slowly as the geography of that terrible last minute rearranged itself in his mind — not Zack near the front because he was orchestrating anything, but because he'd been seated exactly where a doomed man's fiancé might reasonably sit, close to the man he loved, close enough to watch him die and close enough, apparently, to be dragged backward through the same impossible three days as the boy who'd been sitting one row ahead of him.
"The watch," Cassian said again, softer now, all the accusation drained out of his voice. "What was that, then, if it wasn't—"
"I was counting," Zack said. "I'd worked out, by Tuesday afternoon, that whatever this is — whatever's happening to us — seemed to be following some kind of clock. A specific window before the crash. I've spent three days trying to measure it exactly, trying to understand if there's a moment where the window closes, where it becomes too late to change anything even if we already know what's coming." He laughed, short and humorless. "I check my watch obsessively now. Compulsively. I didn't even register I was doing it on the plane the first time, but you're right, I would have been. I was probably doing it every few minutes that whole flight, the first time, some part of me already dreading the thing I hadn't even lived through yet."
It fit. It fit horribly, perfectly, better than any theory Cassian had built alone over three days of watching his own family like strangers — because it explained the watch without menace, explained the recognition between Zack and Moira as something raw and unresolved rather than conspiratorial, explained the calm on his face in the plane's last seconds not as satisfaction but as the particular, terrible stillness of a man who had already, somehow, lived through the worst thing that was about to happen and had run entirely out of tears to cry about it in advance.
"I thought it was you," Cassian said quietly, ashamed of how flatly certain he'd been. "I thought you did it. The throat. I thought you were — I don't know, using Gran, forcing her, some kind of revenge for giving you up."
"I understand why you'd think that." Zack didn't sound angry, only tired, tired in a way that went bone-deep. "I would have thought the same thing, in your position. Believe me, I've spent three days wondering the same thing about your family — wondering if one of you set this whole trip up specifically because Malcolm was flying it, wondering if I was walking Malcolm straight into something engineered by people who resented me showing up at all." He shook his head slowly. "But I don't think that's it either. Not anymore. I've been watching too — your uncle, your grandmother, trying to see if any of it added up to a person capable of that. And it doesn't. Not cleanly. There's something wrong with the shape of it, Cassian. I can feel it and I can't name it yet."
"What do you mean, wrong with the shape of it?"
Zack leaned forward, voice dropping, and for the first time since Cassian had sat down, something genuinely urgent entered his expression — not fear exactly, but the sharp, focused alertness of a man circling toward a piece of the puzzle he hadn't been able to place.
"The cockpit door," he said. "Think about it properly. Really think about the geography of it, the way you would if you were investigating an actual crime instead of just surviving one. That door doesn't open from the cabin easily — it's not a house door, Cassian, it's built to resist exactly the kind of casual access a passenger might have. Whoever got in there and did what was done to Malcolm didn't wander in on impulse. They needed time. They needed the door unsecured, or a code, or Malcolm himself opening it for them — which means whoever did this either had help from inside that cockpit, or knew something about that specific plane, that specific pilot, that none of us — not your family, not me — would have any normal reason to know."
Cassian's mind raced backward through the last three days, through every conversation he'd catalogued so carefully, searching for the piece that fit this new shape.
"Bastian arranged the charter," he said slowly. "He said a friend of a friend recommended the pilot. Solid reputation. But he never explained how he actually knew Malcolm, not really — not beyond 'a guy I know through the business.'"
"Then that's a thread worth pulling," Zack said. "Because I've met men like that in my life, Cassian, men who talk about 'a guy I know' the way other people talk about people they've actually met — and half the time, when you press on it, there's someone else entirely standing behind the guy they're describing. Someone they owe something to. Someone who arranges things and lets other people believe they arranged it themselves."
The café noise rushed back in around them all at once, and Cassian sat with his heart hammering, the entire shape of the last three days reorganizing itself yet again — not a killer hiding among the people he loved most, not his grandmother's old secret finally come due, but something colder and more deliberate: a plane specifically chosen, a pilot specifically arranged, a door that didn't open by accident, and an uncle whose explanation for how any of it had come together had never, not once, actually held up to a direct question.
"We have less than a day," Cassian said, and his voice had gone flat and hard in a way it hadn't been three days ago, the voice of someone who had stopped being a frightened boy trying to warn people who wouldn't listen, and started being someone with an actual plan. "If it's not Gran, and it's not you, then we need to find out exactly who Bastian's 'friend of a friend' really is — and we need to do it before that plane ever leaves the ground."
Zack held his gaze across the table, and for the first time since they'd sat down, something like an alliance passed between them — two people who had died once already, who remembered the exact sound of it, and who had, entirely by accident, just become the only two people on earth capable of stopping it from happening twice.
"Then we'd better start now," Zack said, and reached for his phone. "Because I think I might know exactly where to look."