In a post-apocalyptic world, Théo, a rebellious youth fights a repressive regime by drawing and posting anti-government slogans, and finds dangerous love with a mysterious woman.
Victim of a terrible accident, overnight the young Camille Balaise finds himself in another world; that of rehabilitation. His life till now no longer counts, what is to become of him he does not know. Cut off from the outside world, he must adapt to the bizarre universe of corridors, basements and dark passage-ways that make up this strange, sprawling town-like hospital, overseen by the fiery Dr Helpos. Following a dangerous and derisory initiation rite, Camille becomes part of the community known as the “wrecks”, those who on the fringes of medical regulation dictate their own laws.
The Japanese ambassaor is visiting Marseilles to view the city police’s anti-gang tactics. During the visit, however, he is kidnapped by a group working for the Japanese yakuza. Young officer Emilien is determined to rescue the ambassador and officer Petra (his girlfriend), who was also kidnapped, and restore the honor of his department. Once again, speed demon taxi-driver Daniel (from the first Taxi movie) is called upon to save the day with his high-speed driving skills.
Stumbling across an uncompleted 1939 film called “Princess Marushka”, filmmaker Sam becomes intrigued with the young actor Sylvain Marceau, who last appeared in the film. Hoping to discover the mystery behind Sylvain’s disappearance, Sam decides to make a documentary and sets off to interview those who knew Sylvain, including elderly Lisa Morain. Through her interview, Sam learns the story of Lisa and Sylvain’s doomed love affair on the eve of World War II.
Lucie and Marie are twin sisters with a love-hate relationship, their personalities completely opposed. Lucie is an extroverted pin-up model, drawn to Paris seeking fame and dragged into a world of sex, drugs and danger. Marie is a quiet, reserved and austere. Both sisters are haunted by their long-standing childhood competition for the affections of their cruel, emotionally distant father. However, when Lucie’s modeling connections lead to an exclusive recording contract offer despite the fact that she cannot sing, Lucie is forced to seek out Marie, who possesses a good singing voice, to perform in her place. Marie reluctantly agrees, but when she returns from the performance she finds that Lucie has committed suicide, leaving her no choice but to assume Lucie’s name. As Marie’s own fame skyrockets, she spirals uncontrollably further downward into the secrets of Lucie’s dark life and finds a hidden side of herself.