A brother and sister, Miron and Melita, go to visit their friend Zoltan in the north-eastern Croatian town of Kopačevo for the winter holidays. One night, they are awoken by the shouting of villagers when a half-frozen boy is found near the village swamp, delirious after being attacked by a ghost. The doctors cannot help him, so the children decide to take matters into their own hands and so the adventure begins to find the secret of the ghost, save their friend and become heroes of the village. An adventure-packed children’s movie with beautiful imagery, it is the first Croatian children’s film produced in 27 years, winning the hearts of the country’s youngest viewers.