Aunt Isa has fallen victim to a mysterious spell in her attempt to help Clara. Clara's father is injured in the hospital, and her mother is struggling with memories of old witch trials, during which she lost her best friend. Clara and her friend Oscar must try to unravel the puzzles of the wild world on their own. However, it is only when Clara's mother gives up her resistance to wild witchcraft that they penetrate the labyrinth of the past and can help the wild world, the animals, and Clara's friends. The fifth volume of the award-winning adventure series for all animal and nature lovers.