A much-needed boost, in the form of a new factory, is promised to the residents of the tiny fishing village St. Marie-La-Mauderne, provided they can lure a doctor to take up full-time residency on the island. Inspired, the villagers devise a scheme to make Dr. Christopher Lewis a local.

A city neighborhood is frightened by a strangler and a voyeur. The police detectives, headed by Léopold Latour, are not very efficient in their investigations, though detective Édouard Lambert does a little sleuthing on his own.

Max leads a good life with Alice and their son Théo; that is until Alice is threatened with death while waiting for a heart transplant. Max promises Théo that he will save Alice, but to ...