The police find a young woman's body at a landfill. Candice recognizes her: she is a prostitute she met on a previous case.

On the verge of burnout, Candice must deal with the unexpected visit of her ex-husband and the death of a former expatriate.

Captain Dumas works on a case to distance himself from Candice, but Renoir is adamant in wanting to have him close in her new investigation.

The body of a student is found submerged in the middle of an oyster bed; Candice thinks his death might have to do with the poaching and illegal sale of oysters.

When a young businessman is thrown off a bridge, Candice suspects the murderer is a graffiti artist; she starts hunting down an infamous tagger, Cat, who has been causing damage amounting to thousands of euros in the meantime.

The body of a 40-year-old woman is found naked in a regional nature reserve; Candice believes the woman is a Carmelite nun, who must have disappeared from a convent near the nature reserve.