The Thaw, Episode Five

After stumbling upon a suspicious shipping container, Detective Katarzyna Zawieja is tasked with bringing down Andrzej Lanski -- a notorious crime lord with ties to human trafficking -- but her investigation could put a vulnerable teen informant at risk.

Having learned a dark truth about her husband's time undercover, Zawieja vows to bring those who betrayed him to justice. Determined to find Oliwier's killers, Zawieja traces his final hours, leading her to question his best friends.

As Zawieja continues to lose herself in her work, an off-the-clock arrest reveals another shocking connection to a figure from her past. While her erratic behaviour threatens to derail the case, Zawieja pays a visit to an old friend.

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.

Despite suffering a devastating loss, Zawieja commits herself to finding a trafficking victim's missing daughter. After Trepa interrupts her latest attempt to self-sabotage, Zawieja taps into her mother's instinct in her quest to stop Lanski.

Following a violent encounter with Molski's men, Zawieja flouts convention to connect a new suspect to Oliwier's murder. But when her own family is caught in the crosshairs, Zawieja must make a decision that could upend her life in Szczecin.