The reception for Finland's Independence Day is rudely interrupted when the presidential palace is attacked and the state leadership is taken hostage. Max Tanner of the Security Police is appointed as a negotiator in the hostage crisis, that unfolds as part of a bigger plan to undermine European security.
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.
Tuulikki has a problem. She is in the throes of young love, and the world outside her window is vibrant and inviting. But her mother disagrees, not wanting to let Tuulikki out of her sight. Tuulikki fights back, but nothing seems to be making a difference. Finally, the mother-daughter relationship escalates when the circumstances prove too much for both of them.
