The children’s film is based on Wenjamin Kawerin’s short story "Leichte Schritte". It centers on the ten-year-old Peter who is in love with his classmate Una. Much to his despair, however, Una is attracted to another classmate. Peter escapes into a dream world in which he spends a wonderful time with a girlfriend made from snow. As springtime arrives, the snow girl is threatened by the thaw. In order to preserve their friendship, Peter locks his "Una" into a cold store.