A bungling thief is threatened by one target with blackmail, unless the thief will kill his own cousin, a wealthy eccentric who is considered the village idiot.

To take revenge on her husband with whom she often has heated discussions, a young woman looks for a flirt, to whom she makes life difficult, without giving him anything, because she is still in love with her husband.

The basic premise: A retired bus driver fulfills his lifelong dream of providing an extended "voyage surprise" (the title is translated as "Mystery Tour") for unsuspecting vacationers. They soon realize, while riding in the old man's home-made bus, that he hasn't bothered to plan any kind of itinerary. As a result, they end up in completely preposterous situations, of course. Voyage surprise!