A set designer Gediminas lost his job just before the holidays. He decides to put on Santa's costume and work on the street. The biggest surprise for Gediminas will be a boy, who suddenly appeared in the life of a miserable man.

A thirteen-year-old boy Marius is an outcast who often feels invisible to the world around him. One day, he becomes intrigued by a mysterious incident at school, where his biology teacher is injured with a snowball thrown by an unknown classmate.