On the brink of death, ordinary college student Lin Che unexpectedly awakens the ability to rewind time, only to discover that every attempt to change fate costs him fragments of his memories.
> The bronze pendant his mother left behind when she disappeared three years ago bears the same origin as the gear-shaped marks in the pupils of a serial killer. To uncover the truth, he is forced to navigate the rifts in time, hunting the modified agents of the Clock Church amid the neon depths of a cyberpunk city.
> With only 72 hours of memories left, he must wager the last fragment of his humanity: will he save the world, or rewrite cause and effect to bring his mother back?
