Ronja, the daughter of the robber chieftain, roams the forest but she must beware the grey dwarves and wild harpies. When she befriends Birk, the son of her father's greatest enemy, it causes uproar. Ronia and Birk can no longer be friends . . . unless they do something drastic. Like running away . . .
Suddenly they are fending for themselves in the woods, but how will they survive when winter comes? And will Ronia's father ever accept her friendship with Birk so they can go home?