Sebastian is growing up in Hannover. As the son of a single mother, he learns to be self-reliant at a very young age. As a teenager he falls in love with Betty. Through her, he gets to know a different family structure, one which has a great appeal to him. But soon tensions arise between him and the two worlds surrounding him. As a young man, he poses the question as to what remains of childhood dreams when one becomes an adult. The film tracks a young person through three periods of his life, on the journey to finding himself.