In a strange and isolated chateau, a man becomes acquainted with a woman and insists that they have met before.
"Popeye" Doyle travels to Marseilles to find Alain Charnier, the drug smuggler that eluded him in New York.
An ambitious mobster plans an elaborate diamond heist while seducing the daughter-in-law of a ruthless mob patriarch as a determined police commissioner closes in on all of them.
