The alarms are already screaming bloody murder when Elias walks back into the clean room. Sienna is barely keeping her eyes open, half-drowned in the chemical sludge of the suppressant, her wrists bleeding where the steel cuffs keep grinding into her skin to remind her she’s supposed to be helpless. But Callum’s spark refuses to go out. It’s small, furious, and fiercely alive. Every single time she starts to drift toward the black, that tiny heartbeat drags her right back by the throat. Stay awake. Stay right here. Her boy is the only thing keeping her golden fire from flatlining. Elias isn’t bothering with his usual detached, clinical poise anymore. His white lab coat is creased, his breathing is shallow and fast, and that terrifying, obsessive excitement has completely replaced his c

