Factual series about Swedish television shows that left an impression.

In 1981, after the successful test of a submarine tracker device developed by the Swedish scientist Paul Mandell and sponsored by the US government through his representative Miller, his industry is totally burned and the laser device is stolen. Stig Larsson from the Swedish Secret Agency suspects of an inside job and brings the Swedish Marine Thomas Kallin to investigate Paul undercover as his driver. The naive Kallin is double-crossed but continues his investigation while Larsson finds the truth about the heist.

When Dante's parents go on vacation, Dante and his buddy Tvärsan get the chance to play detectives.

Maria and Leif has a relationship. Leif is a former bank robber. He makes another hit and is sentenced to prison. He urges Maria to forget him.

Fia and her mother, a piano-teacher, live in the country villa with bad-tempered housekeeper Malin. One day a boy called Hampus comes to the village together with his uncle, a shoemaker.