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.

• Maipo Film
• Thomas Saraby Vatle
• Luis Engebrigtsen Bye
• Celine Louise Dyran Smith
• Benjamin Gulli
• Miriam Sogn
• Aslag Guttormsgaard
• Rasmus Hoholm
• Jan Gunnar Røise