The third comic book about Ronja based on the Japanese animated television series by Goro Miyazaki, Studio Ghibli. After the long winter, Ronja and Birk can finally meet again outside in Mattisskogen. But one evening, Mattis manages to capture Birk. He intends to force Borka to bail in exchange for his son. Ronja cannot forgive Mattis, and decides to do something that her father will not be able to forgive.