Raoul Duval is a physiotherapist in Cannes, dissatisfied with his marriage to the wealthy and capricious Véronique. When a notary informs him that he has inherited a fortune from an unknown biological father, Raoul sees it as a chance to free himself from his wife. But his joy is short-lived: a serious car accident leads him to discover an unknown woman in the hospital, hovering between life and death. He decides to take care of her, but soon realizes that she is connected to Véronique and that both women are involved in a complex scheme to deprive him of the inheritance.