After a 10-year sabbatical in Singapore, Candice Renoir is back in the south of France and back to work as a police commandant. As she deals with divorce proceedings, four children and skeptical colleagues, her first murder case isnt an easy task. On the seashore a seemingly unremarkable woman is found dead, and only Candice is able to guess the victim's double life.

Candice's children are having trouble adjusting to their new life and Candice's team are having trouble adjusting to their new boss. There are still crimes to be solved and Candice and her friend Pascale, the forensic pathologist, are called to the scene when a man is found dead lying next to his barbecue.

When 17-year-old Arthur is thrown into the harbor, Candice learns he was binge drinking, an activity she"s never heard of. The young man survives but the case strikes close to home for Candice, as she's having problems with her own teenager, Emma. In the end, it's these very difficulties as a mother that help her crack Arthur"s case.

Having only had one lover in her life—her ex-husband—Candice is hesitant to go to bed with her handsome neighbor, Hervé. Soon enough she's distracted from her dilemma by a new case, when a badly damaged body is found in a dump. Candice recognizes the victim as an occasional prostitute and she deploys her unique assets to gain access to a "special" party.

One night, Candice is called to an emergency at a local hotel after a wheelchair-bound man is thrown down a flight of stairs. It turns out the man had leukemia and had been tended to by the hotel staff but lately his condition had worsened. Was it attempted murder, or suicide? Candice feels exhausted from the demands of work and motherhood when someone appears out of the blue to make it all worse.

The kids are happy to have their father, Laurent, back home but Candice is far from thrilled. Meanwhile, she has work to do, as a woman in her 40s is found dead in her car. Candice notes the scent of a plant-based poison and learns the woman was an aficionada of natural medicines. As she calls upon her knowledge of herbal remedies to help solve the case, she also learns Laurent"s true intentions.

When teenager Dylan Rieux is found murdered in a field with cannabis in his pocket, for Antoine it's a drug crime but for Candice it's a love story gone wrong. The victim was in love with a girl named Juliette, who left him to join an evangelical group. Candice sets out to locate the religious community and cast light on Dylan's death.

When Antoine is temporarily assigned to a different police division, Candice is on her own to solve the case of Sabine Missoni, a naval architect murdered on her work site. With other team members also unavailable, Candice is coming up short until her twin boys unexpectedly provide a clue. Meanwhile, Laurent makes a decision that could impact Candice's relationship with Hervé.