Still reeling from her husband’s death, Detective Katarzyna Zawieja launches an investigation into a murder of a young woman and her missing newborn.

Zawieja investigates the links between the murder and the suspicious debts and business dealings of the victim’s husband Kosiński.

After surviving a violent shootout, Zawieja faces an impossible choice when her own family is caught in the crosshairs.

As Zawieja and Trepa search for links between the victim and former patients at a psychiatric hospital where she worked, Strzelecki receives a suspicious package.

The day of Magda’s funeral leads Zawieja on a dangerous chase for her killer, but an interrogation with an inmate at Goleniów prison breeds new clues – and increased suspicions.

While Strzelecki takes charge of the case, a dangerous trip to a remote island brings Zawieja closer than ever to the truth.

After encountering a suspicious shipping container, Katarzyna is tasked with bringing down a crime lord with ties to a notorious trafficking ring.

As she loses herself in her work, Zawieja discovers another shocking connection between her past, Oliwier's murder and the trafficking ring.

As the police launch a search for Wróbel, one of the victim’s patients, Zawieja visits the prison where he once served time.

After learning a dark truth about her late husband's undercover work, Zawieja makes a series of rash decisions that could jeopardize the case.

After a fire at the docks, Zawieja attempts to tie the Lanskis to Oliwier’s murder. An unexpected ally helps locate the missing shipping container.

While reeling from a devastating loss, Zawieja vows to locate a trafficking victim’s missing daughter.