Falco, still trying to realize what happened to him, is finally reinstated in the police under the command of his former teammate, now Commissioner, Jean-Paul Menard. Young Lieutenant Chevalier, Falco's new teammate, sees in him only an unpredictable and unstable man. But the mysterious murder of a taxi driver will allow Falco to prove that he lost none of his qualities as a cop and to discover, finally, the identity of his wife's companion: the medical examiner, Philippe Cheron, with whom he will have to collaborate on each case...

Falco is under pressure. His daughter, Pauline, he has not seen since his awakening, returned from India. Between excitement and apprehension, Falco is forced to ask himself how he can fit into the life of this young woman, who doesn't know him. Moreover, this return exacerbates tensions with Philippe Cheron companion of his wife and Pauline's stepfather. Meanwhile, investigators are facing a strange case: the violent murder of a psychiatrist, who was investigating on the alleged suicide of one of her patients.