When Paris detective Richard Kemp is injured in the course of a criminal investigation, he is transported twenty years into the past, and has a second chance at solving the most frustrating mystery of his career.

Inspector Richard Kemp never got around to putting the handcuffs around the Eardrum Slasher, a dangerous serial killer whose rampage began 20 years before. When Hélène, a psychologist, witnesses the Slasher's latest crime and offers to testify, Kemp falls in love with her at first sight. In a mysterious turn of event, Kemp is suddenly transported back in time to the site of the Eardrum Slasher's first murder, he realizes that this could provide a second chance to catch the killer. As he tries to help his younger self and meets the much younger Hélène, Kemp triggers a series of events with unforeseen consequences.—Anonymous

Inspector Kemp is stuck in a serial killer case, when he is hit on the head and is suddenly transported back in time to the site of the first murder. He realizes that he could change the history and have a second chance in solving the case.—OJT