At the Gronty housing estate, the militia finds bodies of a young prostitute and a local communist activist. Journalist Witold Wanycz doesn't believe in the official version of events. He seeks the truth with the help of twentysomething years old Piotr.

Piotr starts his own investigation. He believes the murder is "something more" than the militia and prosecutor's office try to make the public believe. His journey through the dark part of the town begins.

The trace leads Piotr to the local butcher. Maybe he's behind the murder? At the same time, Witold Wanycz becomes more interested in the suicide of two teenagers. He's got his personal reasons for it.

Piotr points to the butcher as the murderer. He feels that the town is veiled with a mystery from the past. The journalist no longer knows what's true or false. Wanycz discovers the tragic truth about the children's death.

Piotr tracks the alleged killer. Wanycz learns the truth about the teenagers’ death. Both tragedies are connected. Everything is related to the past.

A language barrier stalls Mika's investigation, and a local figurehead is killed at the Centrum Hotel. A new business tycoon arrives in town.

Mika asks for Jass' help while she recovers. After Wanda leaves on a class trip, Zarzycki and Joanna's weekend alone is interrupted.

Jarek and Jass pay Wanda's friend a visit while Zarzycki takes matters into his own hands. Witek and Jassijej agree to help each other.

Zarzycki pursues another lead while Jass and Mika trail a suspect. Witek recalls a story he wrote in 1964.

Jass recalls her last conversation with Teresa and remembers a childhood friend. After taking Hanys up on his offer, Zarzycki goes all in to find Wanda.

Kinga wraps up Jarek's unfinished business as Jass makes a pivotal connection between the case and her own past. Witek closes a chapter.