Snot and Splash travel to their grandmother's house in the small town of Mouthwash for a winter holiday. Once there, they discover that everything is a little off in what used to be a very ordinary town. The strangest thing is that holes are disappearing from the town. Snot and Splash set out to investigate and manage to get on the trail of a local dentist, Migrén Junior. However, the investigation is in danger of failing when messy Snot and diligent Splash get into an argument with each other. How can Mouthwash be restored and the holes put back in place if the boys can't work together? The only way to restore the world is for the brothers to work together.
When the anarchistic princess of her own life, Princess Itty Bitty is told that her little brother, who still lives in her mother's womb, is about to move into her room, she's had enough. Drawing on the wisdom of her quirky neighbor, Auntie Jenssen, Itty Bitty devises a plan and conjures the bossy grown-ups to Hilldiggle with the help of her magical dog, Sausage.
Konsta has just been released from prison and has returned to his people in the countryside. Past grudges drive him back into the drug business, despite the efforts of those around him to keep him on the right track. In the end, Konsta is forced to confront his past in a surprising way and makes a decision that will determine the rest of his life.