Butryś kidnaps one of the students. However, thanks to Belfr, he manages to rescue him. Belfer finds out who is behind the Captain's death.
Belfer gives the police the recording of Ivan's death. Kacper decides to confront his father.
Kacper gives Belfer a recording of Ivan's murder.
Belfer suspects that Kacper was the Captain's son. The tailor and Drużbacki find traces of blood in the warehouses. One of the employees confesses to the murder.
Belfer finds a recording in the Captain's house that casts suspicion on Krynicki.
A recording appears on the Internet which shows that Kacper most likely committed suicide. Meanwhile, the newspaper publishes an article accusing the Captain of violence against students.