Baron Wilhelm von Tandem, CEO of the Tandem Corporation, gets mixed up with a spitting image of himself, an innocent country boy Kalle. Both characters conveniently amnesiac, they start living each other's lives and dating each other's girlfriends, succeeding in their new roles better than in their original ones. Level-headed Kalle soon spots the bad guys who are after the Baron's money, and the Baron brings innovative ideas to the countryside.

Pekka Puupää and Pätkä, who return to Helsinki from an unsuccessful variety show tour, are forced into refresher training, where they are trained as frogmen. During the diving exercises, the friends encounter the mermaid Helmi, whom they help into the bathtub at home, to Justiina's shock. The friends, who have become civilians, eventually end up on a plane bound for Suez, being cornered by UN soldiers.

The greedy lord of the manor, von Wurstburg, lives lavishly on his estate, heavily taxing the local peasants, when the official heir to the estate, the noble Sir William, arrives. At the same time, the mysterious outlaw Robin Hood, who helps the poor, sets up camp in the nearby woods. When the estate threatens to fall into Sir William's hands and the peasants rise up against von Wurstburg's excesses in Robin Hood's footsteps, the lord finds himself in a double bind.

Two outlaws, The Lonely Rider and the Indian Tonto, have caught (at least they think they have) Speedy Gonzales, a ruthless gunfighter from the town of Njietponimaistadi. They start to travel to another town for the reward, through the desert without water and fighting against Indians. And just to find out that they have made a full circle back to origin.

Tarmo, a failed student, tries to win over his uncle, Consul Ö, in the hope of receiving an advance on his inheritance. His stingy uncle threatens to donate his entire fortune to the Antiquities Preservation Society if Tarmo does not earn a million marks within a month. Tarmo's friend Hannu begins to motivate Tarmo to get rich by feeding him placebo "energy pills." The situation is complicated by a criminal gang getting involved in the inheritance hunt.