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 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.