The life of Zuzia, whose dad works on the railway, changes mas-sively when Lampo, an extraordinary travelling dog, joins the family. The remarkable shepherd dog, whose train trips are an internet sensation, immediately becomes the best friend of the girl suffering from a heart condition.

Twelve-year-old Iwo lives in a small, post-communist town that is home to the old and destroyed Black Mill – once a place of work for many parents. Breaking the promise to not approach the old mill, the children accidentally unleash its evil powers. From that moment, nothing will ever be the same again as people and things start to disappear.