Marcin Borowski, during his business trip to Lviv, meets an old friend from college - Maria. The woman is raising her son Michal alone. When Marcin learns that Michal is his son, he invites both of them to join him. However, Maria dies on the way. Michal has to take care of the boy. However, he runs away…

Although many years have passed, the problems faced by the Homicide Department of the Warsaw Metropolitan Police remain painfully relevant. Officers continue to confront violence, death, and the dark aspects of human nature every single day. Joining the seasoned detectives Banaś and Jóźwiak is a young, ambitious police officer - Tamara Rudnik. Right from the start, she is thrown into the heart of the brutal Warsaw underworld, where the lines between good and evil often blur dangerously. As each investigation raises more questions than answers, the officers must face not only ruthless criminals but also their own inner demons.