Julie Ballenger has spent five years in a psychiatric clinic. Leaving the clinic apparently cured, she is hired by a wealthy industrialist, Mostri, to work as a governess to his young nephew, Thomas. The boy is heir to a huge fortune after the recent death of his wealthy parents who died in mysterious circumstances. During a visit to a park, Julie and Thomas are kidnapped at gun-point and driven away to deserted quarry. The two hostages manage to escape, but are closely pursued by an armed killer...
Darien, a left-wing police informant, is forced to lure his old friend Sadiel to Paris, allegedly to film a television special about the Third World. Sadiel, the exiled leader of a North African state, is being hunted by the ruthless Colonel Kassar, who will stop at nothing to capture his political rival. Once Sadiel arrives in Paris, Darien realizes he has been manipulated. He tries to turn back the clock, not realizing what or who he’s truly dealing with.
As the Allied forces approach Paris in August 1944, German Colonel Von Waldheim is desperate to take all of France's greatest paintings to Germany. He manages to secure a train to transport the valuable art works even as the chaos of retreat descends upon them. The French resistance however wants to stop them from stealing their national treasures but have received orders from London that they are not to be destroyed. The station master, Labiche, is tasked with scheduling the train and making it all happen smoothly but he is also part of a dwindling group of resistance fighters tasked with preventing the theft. He and others stage an elaborate ruse to keep the train from ever leaving French territory.
Set between Christmas and New Year, the film told the story of six criminals who kidnap an ambassador's daughter and await the ransom; enter Monsieur Wens, who infiltrates their hideout using various comic disguises, bumps them off one by one and rescues the little girl.