Svein's best friend is a fancy rat named Halvorsen who goes missing during a pet contest, leading to chaos with newspapers reporting a rat invasion. To avoid losing both Halvorsen and the competition, Svein must work to keep his parents unaware of the situation.
Svein
Dan
Melissa
Kim
Mother
Father
Magnus
Trumma
Headmaster
Lecturer
Snorre
Dani Dyrebutikk
Johnny
Blind Man
Monica
Camilla
Rotta
