Crazed scientist Herbert Von Krantz has invented a device to sterilize all nuclear weapons -- and a mad herd of rival spies are desperate to get their hands on the device, including a sect of bald, turtleneck-wearing assassins.

The old Valmorin died 200 years ago. The notary tells the family about the inheritance: the one who is terminally ill will receive the money. They all try their luck with getting ill before the other so one family member pretends to be deaf, another pretends to have a terrible back ache and so on...

Talou, prince of an imaginary African kingdom, is sent to Switzerland to be protected from his father's enemies. But that won't be enough.