Ingrid Chauvin

Marie Kermeur, a cop, comes back to the island where she was born to get married. When one of her brothers is killed, she decide to investigate the murder. Her investigation will reveal the many secrets of the island's population. (imdb)

Following a violent explosion involving two boats in the south of France, a mother attempts to figure out what happened to her son and how the body of her long estranged sister ended up on the beach. (imdb)

The series relates the investigations of a pair made up of a divisional commissioner and a lieutenant of the General Inspectorate of Services (IGS). (wikipedia)