After many years of separation, landscaper and part time dealer of illegal fireworks – Anders – is contacted by his father Thomas who is about to lose the family farm. To help his father, Anders returns home and starts a larger production of illegal fireworks and begins shipping it through the family's freight company. Through the traffic of fireworks, the family finds a way towards reconciliation and forgiveness for the first time since the family tragedy twenty years ago which Anders feels responsible for.

The world-famous elite soldier Master Sensei decides to blow himself up after a series of public scandals destroys his career. However, his plan is put on hold when he meets the young boy scout Piggy, who is in desperate need of help. Master Sensei must now go on one last mission, so he can help Piggy retrieve his braces from his evil tormentor.

The screen takes up a lot of space in the Krumborg family's everyday life. Mom thinks the family should get closer, so Krumme suggests a screen-free week, because that way Krumme can get rid of his old crappy cell phone. Mom thinks it's a good idea, Dad does what Mom says, and Grunk just plans to cheat. But what are they supposed to do? Krumme finds some old Kim books in the attic, which he devours, and he is inspired to start his own detective agency with his friend Tom. When the criminals, Tina and Jeff, steal the Anastasia diamond from the National Museum, Krumme sees his chance: to catch the criminals and win Yrsa's heart. But it's not as easy as in the Kim books, because it's hard to be 11 years old when you also want to win Yrsa's love.