Chelios faces a Chinese mobster who has stolen his nearly indestructible heart and replaced it with a battery-powered ticker that requires regular jolts of electricity to keep working.

Chev Chelios, a hit man wanting to go straight, lets his latest target slip away. Then he awakes the next morning to a phone call that informs him he has been poisoned and has only an hour to live unless he keeps adrenaline coursing through his body while he searches for an antidote.