A beautiful felon, sentenced to life in prison for the murder of a policeman, is given a second chance – as a secret political assassin controlled by the government.
Fred, a raffish safe blower, takes refuge in the Paris Metro after being chased by the henchmen of a shady businessman from whom he has just stolen some documents. While hiding out in the back rooms and conduits of the Metro, Fred encounters a subterranean society of eccentric characters and petty criminals.
Alice Tomaso gets out of jail, and goes looking for Léo and Julien, one of whom, it appears, is her father. On the way, she steals the wrong car - one belonging to the Russian mafia, and arrives at her destination with a gang of thugs out looking for her and the car.
