Kind-hearted boy Luka was born in the slums. The teenager's mother died, unable to bear the hardships of a destitute existence, and now his father has to work hard just to make ends meet. However, despite the difficult life and a severe limp, Luka remains a dreamer and loves to act out various scenes. From time to time, Luka visits the neighborhood where wealthy people live. One day, the boy becomes involved in an unpleasant incident, dragged into it by local hooligans. Trying to escape, Luka accidentally finds himself in a real theater, where he watches a magical performance with admiration. Wanting to change his life, Luka runs away from home and joins the troupe. But dark clouds are already gathering over his new friends: the heartless owner of the theater decides to sell it and throw the artists out onto the street. Luka cannot leave his comrades in a difficult situation and begins to do everything possible to save the theater.