Watch Online Free on Watchseries. Adam "Mruk" Niedzicki is a member of a gang from a juvenile detention center led by two educators: Jóźwiak and Andruszewski. During a robbery at a currency exchange office, the owner dies, and "Mruk" decides to withdraw. He receives news of his mother's death and is given three days' leave. He does not know that he will become involved in a murder.