Tadek is a teenager rebelling against the world. Just before the end of the school year, he escapes from his aunt to his sister Anka, who lives in the south of Poland. There, the lonely Tadek unexpectedly becomes aware of his erotic fascination with his sister. A film about the sinful love between a brother and a sister, about the characters’ painful adolescence and their objection to cultural taboos. Finally, a story about the freedom to choose one’s way in life.