The rain starts at 11:04, exactly like always. Detective Mara Cole stands under the same broken awning across from the laundromat, pink neon flickering on the wet street. She has lived this hour forty times now. In sixty minutes, a man named Elias Voss dies in the apartment above. She has never saved him. Tonight she swears she will. The clock ticks. She steps off the curb.

Mara runs straight for the building and pounds up the stairs. She kicks Elias's door and bursts in. He's alive, mug of coffee in hand, staring at her like she's lost her mind. 'You're going to die in an hour,' she says, badge out. 'Help me stop it.'

'Fine,' Elias says, setting his jaw. 'If I'm dying anyway, tell me who.' Mara admits the truth: she's never seen the killer's face. Every loop, the lights cut out at 11:59 and he's just gone. Elias goes to the breaker box. 'Then let's keep the lights on tonight.'