Art collector Pierre Niox rushes through life, lives a frantic life, does everything in full speed -- searching for and acquiring works of art or real estate, marrying or even dying -- and in total disregard for any kind of morality. His misdeeds finally turn on him and destroy him.

Campana, a commissar at the drugs bureau of Paris police gets an undercover job in Nice to catch an Italian-French mafia boss. As he slips into the identity of a gangster's brother, who was already killed, he has to play the role of a loving husband with child - something that is not so easy for a confirmed single like Campana. Unfortunately American killers chase behind the Nice mafia clan too, in order to get control of French drug trades to USA.

Catherine is left unmarried and pregnant when her mobster sweetheart is killed in this gangster comedy. With the help of another unmarried mother-to-be, Catherine goes looking for the stash of cash buried by her lover before his death. Soon other thugs and her suspicious neighbors are following their every move in an attempt to recover the lost loot...

The day he is released from jail, Serge is expected by four killers sent by Count Charles Varèse assigned to make him confess where he has hidden the jewels stolen during his last stickup. On the other hand the police inspector who arrested him offers him protection on condition he gives him the same piece of information. Serge refuses and is about to be tortured by Varèse's henchmen when Michel, a friendly hood, comes to his rescue. His friendship will result in... a heap of corpses!
—Guy Bellinger

Fred works for an insurance company as a computer engineer. He is bored with enduring the trials of his shrewish wife, so, after using actuarial tables to calculate the most common means of death, he cleverly prepares the family bathroom and brings about her demise. For a while he is content with his new freedom, but then he recognizes that a friend is in a similar situation.

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.

One-time gangster Antoine is enjoying retirement on the coast, now managing a boating club. He receives a visit from a former accomplice who asks for a loan. The money will be repaid by a crook who is now in hiding; Antoine intends to recover his money.

On a beach in Nice, François meets the mysterious Peggy and falls in love with her. Following her to a villa, he meets Marc, a lawyer who has a strange relationship with the girl.

Sequel to "Those Magnificent Men In Their Flying Machines". This time an international car rally from England to Monte Carlo provides the comedic farce.