Henkka Virtanen finds evidence of a possible crime on his way to school. With his friend J.K. Kivimutka, the boys decide to investigate what has happened, because these criminal cases are the responsibility of the detective agency they have set up. When it turns out that mailboxes in the area have disappeared during the night, the detective bureau has already two crimes to solve. A fun and exciting adventure begins, in which the boys also have to face their own fears.

Ricky Rapper and Nelly Noodlehead leave for the island, where Fanny Rapper works as the resort hostess. At the same time, Uolevi Horsmaniemi arrives with his daughter Wendy, who is little older than Ricky and Nelly. Wendy's arrival confuses the relationship between Ricky and Nelly, as Nelly begins to spend more and more time with Wendy.

Summer vacation has just begun. In honor of it, Serena Rapper and Lennart Lindberg decide to go on holiday. Ricky gets a new bicycle as a consolation, but it disappears mysteriously. Ricky and Nelly Noodlehead go looking for it which turns into a thrilling adventure.

Ricky Rapper is a ten year old boy who lives with his aunt Serena and likes to play drums and rap. His aunt breaks her leg, leading to cousin Fanny moving in to take care of the household. Fanny is very strict and that means no more drums for Ricky. With the help of his downstair neighbor Nelly, Ricky seeks to restore the normal order to the apartment.

Half-senile Ossi and his wife travel to celebrate Ossi's 75th birthday at an old people's home where most of their friends are already staying. Just before the festivities Ossi suddenly disappears and goes on tour to 'make an inventory of his life'. He checks into a hotel, poses as a publishing director to lure an aspiring female novelist, next travels to bother his old mistress and her new husband with his surprise visit and obnoxious comments, then goes to see his son for the first time in 34 years just to receive an even colder treatment. Meanwhile, his equally demented wife goes looking for him with a local policeman.

The birthday of twin boys, Mökö and Luru, takes the family Kiljunen to Helsinki, where their dog gets accidentally switched with the president's dog. Mökö and Luru rush to save their dog, while mother and father Kiljunen take over the city from land, sea and air.

In Berlin, Selim suddenly gets to accompany the famous opera diva Maikki Järnefelt to a concert. Despite Maikki's family, they fall in love on a concert tour. When the awkward triangle drama is over, this bohemian couple loves deeply and struggles hard.

In 1982 the guilt-ridden 18-year-old Rupert tries to remember and understand the events of the past amidst the chaos of the present.

Firefighter Jesse heroically rescues ten children from a devastating fire. But it soon becomes clear that Jesse is not a hero after all, and a thrilling adventure begins, the outcome of which is difficult to predict.

Recent graduate Repa Utriainen explores the world.