In the colorful future, a cab driver unwittingly becomes the central figure in the search for a legendary cosmic weapon to keep Evil and Mr. Zorg at bay.
12-year-old Mathilda is reluctantly taken in by Léon, a professional assassin, after her family is murdered. An unusual relationship forms as she becomes his protégée and learns the assassin's trade.
On improvising a burglary at a shady tycoon's home, Fred takes refuge in the hip and surreal universe of the Paris Metro and encounters its assorted denizens, the tycoon's henchmen and his disenchanted young wife.