Having fortuitously discovered a photograph in which Marthe embraces someone unknown, Étienne Dorsay becomes jealous and imagines various stratagems to identify the lover. In the meantime, he and his friends acquire a weekend house for a very low price.
On an otherwise normal day, Étienne, a happily married man and a good father, sees something that stops him dead in his tracks: a gorgeous woman in a billowing red dress. Long after she has left his vision, her memory continues to haunt his mind. He falls instantly in love with her and tries everything to get to know her better. Helping Étienne snare his elusive lady in red are his three bumbling buddies, which all have secret affairs and/or cheat on their wives.
Escaped from jail, Luis finds refuge on a remote island where, it is said, several people have died long ago of a mysterious illness. He discovers a large abandoned villa. One day, a group of people from another time, come in. The villa and the nature around become the theater of strange phenomena…
In Paris, a gold smuggler is at war with other local gangsters who want piece of the action. Then the mob shows up and makes things worse. And an undercover US Treasury Department agent is trying to infiltrate the smuggling business.
A cold-war spy parody. After the death of an armaments manufacturer, an international group of spies is drawn into a high-stakes battle of wits to obtain the valuable military patents which have been inherited by the lovely widow.