A serial killer is on the prowl. The victims are young women. The investigation is taken over by another inspector who finds mistakes in the files.

A man is shot at a hotel. Intelligence officers appear at the crime scene, complicating Kaszowski's investigation. A power play ensues.

A patient is murdered at a psychiatric hospital. Everything indicates that the murderer is another resident of the institution with a dark past.

A priest tells Kaszowski that he knows of awful things but is bound by the seal of confession. Soon after, the priest meets a terrible fate.

Joanna investigates the death of a nursing home resident, with surprising results. For the first time, she has grounds to reveal Kaszowski's error.

The head of the BSW asks Joanna to investigate the kidnapping and murder of a 16-year-old girl. The desperate father wants to punish the perpetrators.

Joanna works on a case in which a final judgment has been passed. A local drunk was murdered in an empty lot, and his friend pleaded guilty.

It looks like there's a serial killer in town. A profiler cooperating with the department joins the search. He seems to have something to hide.

A woman dies under strange circumstances. The victim's husband admits to the murder at the scene. However, an autopsy reveals a surprise.

Joanna is working on a case from a few years ago. Meanwhile, covert listening devices are installed in Kaszowski's house and car.

Joanna is sure that Kaszowski is involved in a specific operation. Uncertain of his motives, she examines a suspicious case from the inspector's past.

Drugs smuggled from Brazil reach Poland. Kaszowski, Młody and a group of thugs associated with Zieliński are preparing to accept the shipment.

Kaszowski's wound turns out to be minor. However, another problem arises — Joanna's boss has kidnapped her father and son.