Doctor Knock is a former thug who has become a doctor and arrives in the small village of Saint-Maurice to make his fortune according to a particular method. It will make the villagers believe that they are not as healthy as they might think. It is thus that he will find in each one an imaginary symptom, or not, and thus will be able to exercise his profession lucratively. Under his seductive looks and after gaining the confidence of the village, Knock is on the verge of achieving his ends. But his past catches up with him and an old acquaintance disrupts the doctor's plans.

In a tale of epic scale, French politician Philippe Rickwaert thirsts for revenge against his political enemies. Philippe’s political career is in shambles after he is sacrificed by the presidential candidate from the Left, Francis Laugier, in order to save his election. Step by step, Philippe plots against him and forges an alliance with his closest advisor, Amélie Dorendeu.

Franck and Simon are both good cops. They work as partners. But their lives take a tailspin when Simon, driving drunk, causes a tragic car wreck. A few years later, out of the police, he is forced to take matters into his own hands when his family is in danger.

Raised as a slave, Danny is used to fighting for his survival. In fact, his "master," Bart, thinks of him as a pet and goes as far as leashing him with a collar so they can make money in fight clubs, where Danny is the main contender. When Bart's crew is in a car accident, Danny escapes and meets a blind, kindhearted piano tuner who takes him in and uses music to free the fighter's long-buried heart.