A fiendish conductor takes over a school band. She eliminates five musicians who then form their own ensemble. With the help of their former conductor, the new band enters The Norwegian Championship against their old band.
Svein thinks his grandma's soul is in the process of being swallowed by mysterious aliens, and he mobilizes both his friends and his rat Halvorsen in an attempt to save her.
Noora, who lives in a small coastal community, finds a packet of drugs while trying to save a seal cub abandoned by its mother.
