Time Split Witness

Clerk Ethan suffers a time disorder that lets him slow danger at the cost of accelerated aging. Rookie cop Lila notices his secret and stands by him. A former lab researcher becomes a serial killer abusing similar time abilities to cover crimes. Ethan overuses his power to protect Lila, yet they cooperate to trap and arrest the killer. Despite Ethan’s permanent health damage, the two choose to stay together.