Ronja Rövardotter follows the adventures of a spirited and rebellious girl born into a gang of robbers in a medieval Scandinavian castle. As Ronja grows up, she discovers the magical, but dangerous forest with its strange and mysterious creatures. Yet she feels more at home in the forest than behind the walls of the huge castle. When Ronja meets the young boy Birk from a rival gang, it marks the beginning of a dark family feud and a forbidden friendship emerges, all while a notorious bailiff arrives to rid the forest of robbers once and for all.