Six-year-old Lukas grows up in a chaotic family situation and wants nothing more than a real father. He finds it in Janosch, his teenage mother's new friend. The shrewd, cunning drifter and petty crook takes Lukas under his wing and shows him that life can be wild and beautiful. When Janna is pregnant again, Janosch is arrested. Swearing eternal loyalty to him, Lukas takes on Janosch's role in the family and takes care of his mother as well as his neglected, wild sister Babs. However, he secretly tries to find out where Janosch is. When Janna falls in love with Harry König, the half-silk owner of a gaming room, Lukas sees the dream of Janosch's return in danger. Now he tries with all means to fight against the rival of his beloved Janosch.