The kitchen’s air had coagulated into something denser than oxygen—half the molecules were probably synthetic, the other half the ghosts of incinerated coffee. Martha set the percolator to maximum, listening to it draw power like a small, angry engine, and arranged two mugs on the laminate counter. The action was muscle memory by now: mug for her, mug for Sylvester, never mind that he hadn’t joined her for breakfast in months, maybe years, depending on whether time was measured in days or dead things in the basement.

  She calibrated the brown plastic scoop with scientific precision. It was a dull weapon, dulled further by a thousand over-caffeinated mornings, but it suited her. She filled the reservoir to the “Death Wish” line, slammed the lid, and started the cycle. A hiss, a pop, a low whine—then the percolator exhaled a steamy cloud that clung to the cabinet doors like a fungal bloom.

  Martha stood at the counter, letting the bitter mist sluice through her sinuses. It was the closest she’d come to intoxication since the night she and Sylvester got blackout drunk on cheap vodka at the bioethics conference in Madrid. Which was, of course, the night he’d first slept with her. Or rather, the night he’d convinced her that sleeping together was an experiment in reversible entropy and not, as she suspected, a ploy to convert peer review into a honeymoon.

  She let the percolator gurgle to completion before pouring out both mugs. Hers took two sugars and a half-dose of immunosuppressant, the latter prescribed after Sylvester’s first experiment with self-synthesized retroviruses turned their sex life into a Petri dish arms race. He was black and bitter, a statement of intent, though he rarely finished it. The cups clinked together as she carried them to the kitchen table—a slab of composite wood, its surface tattooed with burn marks and impromptu calculations. She set one mug at the head of the table, the other at its foot, and sat down.

  Across the barren table, Sylvester’s seat radiated a negative presence. Martha reached for her cup, but her hand hovered, suspended in mid-air. Something about the tableau was so familiar it ached—like a phantom limb, only the limb was an entire person. She closed her eyes, inhaled, and felt the memory surge.

  It began, as all disasters did, with a roomful of bored academics and a provocateur in a novelty tie.

  The conference hall in Madrid had smelled of ozone and fresh paint. Martha, jet-lagged and running on blood glucose alone, was in the third row, sandwiched between a geriatric Belgian ethicist and a postdoc whose entire wardrobe was visible above the ankle. She’d come for the keynote, which promised “Radical Empathy: Toward a Consciousness Commons.” Still, the program had been front-loaded with dry, pious lectures on nanobiotic regulation and the ontological rights of test animals. She was contemplating whether to fake a migraine and decamp to the tapas bar when the next speaker took the stage.

  He was tall, scarecrow-thin, and wore a suit tailored to suggest both taste and a complete disregard for it. His hair—green as a nickel spill—was spiked at odd angles, as if he’d been electrocuted by a Tesla coil of his own design. He leaned into the podium like a man bracing for G-force and began in a voice calibrated to pierce glass.

  “I’m Sylvester Javitts. I’m here to tell you that everything you think you know about post-mortem identity is, frankly, a comfort blanket for adults.”

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  The audience tensed. The Belgian next to Martha actually tsked, loudly. Martha found herself more alert than she’d been all morning.

  Sylvester babbled, ran his hands through his hair every minute or two, and referred to the existing literature as “a landfill of cowardice.” He moved from clinical brain death to quantum memory persistence to, bizarrely, the possibility of consensual resurrection. His slides were chaotic—one moment a child’s crayon drawing of a ghost, the next a heatmap of fMRI data layered over a Renaissance painting of the resurrection. He didn’t so much cite sources as challenge them to a duel.

  And he was funny, not in the canned TED Talk way, but with an edge that made you wonder if he could have you fired with a single footnote. When the session moderator asked if he thought death should ever be considered “sacrosanct,” Sylvester rolled his eyes so hard Martha thought he might lose consciousness.

  He replied: “Sacrosanct? I’d rather ask whether you think puberty is a crime. Or that teeth should stop growing after you lose the first set.”

  A ripple of laughter. The postdoc in the front row looked like Sylvester wanted to cry. Martha watched, fascinated, as Sylvester demolished the panel with two more sentences and then left the stage, not so much exiting as radiating outward like the blast radius from a dirty bomb.

  At the reception that night, the only thing more radioactive than the local sherry was the presence of Sylvester himself, now orbiting a knot of grad students and mid-career egomaniacs. Martha snagged him during a lull, when he was using a cocktail napkin to diagram the concept of “reversible death” for a group of horrified Austrians.

  She slid into his field of vision and said, “You do realize that every neuron in this room just coded you as their new nemesis?”

  Sylvester blinked, looked her up and down—her thrift-store dress, her hair in a precise no-nonsense bun, the sensible shoes she’d worn on the off-chance of running from a fire. He smiled, predatory and bright. “What a relief,” he said, “I was worried I’d get tenure on my charm alone.”

  Martha offered him her hand, palm up. “Martha Weiss. Bioethics, University of Chicago. Also, part-time custodian of bad ideas.”

  He shook her hand, lingering just a split second too long. “Sylvester Javitts. Ruiner of consensus. Recovering optimist.”

  They stood in a bubble of mutual amusement, as if they’d stumbled on the only real experiment in a convention center filled with make-believe.

  She said, “Your talk was a mess. You skipped half your slides and spent five minutes on that one bit about uploading infant brains to ice-cream trucks.”

  He shrugged. “What can I say? I’m a sucker for metaphors. Besides, have you met an immortal? They’re all childlike in the worst possible way.”

  Martha grinned, despite herself. “You know nobody’s funding that kind of work, right? The grants for anything ‘post-mortem’ dry up the second you admit you’re not looking for a cure.”

  He sipped his sherry, winced, and wiped his mouth with the diagrammed napkin. “That’s why I’m here. To find someone desperate enough to believe in lost causes.”

  She said, “You’re looking for a partner in crime?”

  He said, “I was hoping for an accomplice, but I’ll settle for an adversary.”

  He was the most arrogant man she’d ever met, but he made her want to argue, not escape. The rest of the night was a blur of debate and chemistry, mostly verbal but not entirely. They’d closed down the reception, then the hotel bar, and only parted ways when the sun threatened to catch them in the act of possibility.

  Martha snapped back to the present when her finger, wet with condensation, slid around the rim of Sylvester’s untouched mug. She drew back as if stung, then forced herself to sip from her own. It tasted like memory and burnt hope.

  She left his mug on the table. Some rituals, like wounds, only healed when you stopped picking at them.