Chapter Text
Blood had a smell.
Richard Castle knew, in theory, that this shouldn't have surprised him. He had spent years standing inside crime scenes, following detectives through apartments, alleyways and hotel rooms where violence had already done its work. He had written murders in every way imaginable, describing arterial spray and pooling blood with forensic technicians stepping carefully around evidence markers with a confidence that had once felt earned. He had used death as plot, like a puzzle. He had built entire careers out of pretending proximity to it meant he understood.
But lying on the hardwood floor of his own loft with blood spreading warm beneath his palms, Castle understood with sudden, horrifying clarity that he had never truly understood anything.
The smell was metallic and intimate, too human to describe. It filled the room, thick beneath the sharper stink of gunpowder and the faint sweetness of broken wood. Somewhere behind him, Caleb Brown lay motionless in the wreckage of the fight, but Castle couldn't make himself care whether the man was dead or alive. The gun was out of reach. The threat was over, at least for the moment. None of that mattered though because across the floor near the base of the stairs, Kate Beckett had stopped moving.
“Kate,” he tried to say, but his voice came out as a breath scraped raw.
Pain tore through his side when he moved. For a moment it was so immense that it became almost abstract, a white burst behind his eyes that swallowed every other sensation. He pressed one hand clumsily against his abdomen and felt warmth seep between his fingers. His mind offered useless details. He had an exit wound, blood loss, and was likely going into shock. Words that he would use in books. From the paperwork he always ignored after crime scenes. Words that belonged to victims after the fact, not to him, not to Beckett, not here in the home where they had argued over takeout menus and kissed against kitchen counters.
Suddenly Beckett made a sound. It was small. Barely there but all the motivation he needed as he dragged himself toward it.
The first pull nearly blacked him out. His elbow slid in the blood, his shoulder screamed, and the floor seemed to tilt beneath him as though the loft itself had come loose from the world. He forced his fingers, dug into the wood, and pulled again. The distance between them couldn't have been more than a few feet, but stretched impossibly. Sirens wailed somewhere outside, distant but growing louder, threading through the city noise below. Too distant. Too late. He hated them for not being there already.
“Stay with me,” he whispered, not knowing whether he meant her or himself.
Beckett lay on her side, one arm curled protectively against her stomach. Her hair had come loose around her face, dark against the floor, and her eyes fluttered as though she were trying to wake from something. Castle fixed on that. Movement meant she was alive. Breath meant life. Her hand shifted weakly, fingers uncurling by a fraction, and a desperate, irrational surge of hope moved through him.
“That’s it,” he said, though he doubted she could hear him. “Kate, look at me.”
Her eyes opened halfway. For an instant they were unfocused, glassy with pain, and then they found him. Recognition flickered there, fragile but unmistakable.
“Castle.”
His name had never sounded so much like a goodbye.
“No,” he said immediately, because the word was all he had. “No, don’t do that. Don’t you dare do that.”
He pulled himself closer as the loft blurred at the edges. He could hear pounding now, maybe footsteps on the stairs, maybe his own heart struggling inside his chest. Beckett’s hand moved again, reaching without strength, and Castle stretched toward her until pain became irrelevant, with an need to close the space between them.
Their fingers touched.
Not fully. Just the tips at first, slick with blood. Then her hand slid weakly into his, and Castle held on with what little strength remained.
“We’re okay,” he told her, though his vision was darkening and he could feel the lie in every failing beat of his heart. “We’re okay, Kate.”
Beckett’s mouth moved but he couldn't hear the words.
The sirens grew louder as Castle tried to tighten his grip. But the loft tilted once more, and darkness came for him.