The boss of a Cap d'Agde nightclub is found murdered in her own office. Elisabeth Richard and Charles Jouanic get back together to investigate what looks like a crime with an obvious motive, since the safe has been emptied of its money.
Sun is tasked by the father of Sairung, a woman with dissociative identity disorder, to make all five of her personalities fall for him in an effort to fix her. One of her personalities, Manmok, becomes determined to throw him out of their lives.