Oskar gets paranoid about Lasse and Liv, while he has to do everything to keep the family running the boarding house together. By the sea, recreational divers look for wrecks, but find something completely different.

Oskar is nervous about the delayed DNA results. Lasse has trouble letting go of his suspicions about the fire, and Kim's birthday takes an unexpected turn.

The family has to convince their neighbor not to sell to Rosén, and Jonna has a compelling secret. Lasse tries to buy himself free of his problems, but is drawn further.