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.
Maria, an unconventional single mother, finds herself torn between two men, the successful shrink Fredrik and the 22-year-old paraglider Jonas. This all gets very complicated when her ex-husband Lasse returns, demanding full custody of the children.
