Jilted on his wedding day, Laurent, a stage actor playing the role of the famous seducer Don Juan, cannot help but see his ex-fiancée in every women he meets. In an attempt to mend his broken heart and ego, he tries to seduce them all but none are receptive to his elaborate (and musical) advances. Meanwhile, at the theater, the leading lady quits and the production brings in Laurent’s ex-fiancée as the replacement.
Because he forgot his identity card, Elias cannot take the entrance exam to Sciences Po. In search of a job while waiting to be able to take the exam again, he becomes an educator in a children's home. Confronted with an environment he doesn't know how to work, Elias doesn't yet know how much this experience will change his life.
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...
