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.
