Kruk saves the kidnapped boy, but loses an important witness, who was to lead him to the paedophiles. When all hope seems lost, the kidnapped child kills his grandfather. Kruk discovers that the kidnapping and the murder are intertwined.
Thanks to the help of Kasia, a young policewoman, Kruk is on the verge of uncovering those responsible for hurting children in the orphanage, 30 years ago. Kruk, who is able to locate the kidnapped child, is brutally attacked by a stranger.
When Rudy's actions seem to be effective, he contacts Kruk; Kruk is ready to put his life in danger if it allows him to save his son; drama unfolds on the viaduct in Suprasl.
Despite capturing the kidnapper, the Police are unable to locate the boy's whereabouts. Kruk leaves his investigation behind and decides to help the Police.
Kruk finds crucial evidence in a mobile home in the middle of the woods, and this helps him reach Justyna's father. He manages to discover details about Karolina's death but can't find Maks' location.
Following the arrest of the kidnapper, Kruk goes back to his case. We learn that Slawek committed suicide 30 years ago and is only a figment of Kruk's imagination, his biggest reproach, one that forced him to travel back to Bialystok.
Rudy lays low in a house in a secluded area as the search for him continues in Biatystok; Justyna wants Rudy to get in touch with Peasant; shocking details about Karolina and her father come to light.
Stefaniuk, whom the police suspect of his daughter's murder, becomes linked to Maks' case; Rudy tries to use Maks as leverage, and his actions worry Justyna.
Kruk is summoned to work on a kidnapping case. An 11 year-old boy is missing. He has to put aside his private investigation on the molestation case. Thanks to his extraordinary perceptivity, he follows a lead to an old wooden house. There, somebody knocks him to the ground.