Holly's magical story continues! When Arwid receives a visit from his cousin Teo and his twin sister Nell, he is not very enthusiastic at first: How will the two get along with Arwid's ghost friend Holly? But the twins have very different concerns: They have secretly brought along Schnuffi, the cutest dog in the world! Just as the children and the ghost girl become friends, something terrible happens: The dog gets stolen! Luckily, the thief has left something at the crime scene. With detective instincts and garden magic, the children are soon on his trail... Holly's and Arwid's magical story continues! Four children, a missing dog, and a new magical twist – a children's book full of lovable characters and enchanting reading for boys and girls aged 8 and up.