Having run away with her son Kiryusha from her rich husband, Natalya decided to buy an old mansion in the Moscow region. She liked the quiet place in which it was located so much that she was not even alarmed by its notoriety - it was rumored that several murders had occurred in the house, and that a ghost lived in it. On the very first day after moving, Kiryusha told his mother that he saw a strange boy in a red shirt, with white hair and blue-blue eyes. Of course, Natalya decided that the child had simply invented a non-existent friend. But very soon she discovered a secret passage in an old closet, which a new acquaintance allegedly told her son about. Are all the rumors about the house true? And then Kirill disappeared! According to the neighbor, he was taken away by a boy in a red shirt...