An industrial espionage group calls on a retired spy living with his wife and children in Paris.

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.

In seven different parts, Godard, Ivens, Klein, Lelouch, Marker, Resnais, and Varda show their sympathy for the North-Vietnamese army during the Vietnam War.