Starving after a harsh winter, the bears descend from the mountains in search of food and invade the valley below, where they face fierce opposition from the army of the Grand Duke of Sicily.

Starving after a harsh winter, the bears descend from the mountains in search of food and invade the valley below, where they face fierce opposition from the army of the Grand Duke of Sicily.

After many battles, scrapes and dangers, the bears' reign is established over the land, but their victory comes at a price.