When a technological genius is found boiled to death, a "smart house" named Alicja and a hacker named Piast help Ola with the mystery.

After Henryk's friend's son is blamed for a politically motivated explosion against an anti-immigrant leader, the Violets try to solve the case.

A young girl is found wandering out of the woods, leading to the unraveling of a multi-layered mystery that puts Ola's life in danger.

Police dismiss video of a dead body as an online prank, but the Violets suspect that a popular augmented reality video game has turned lethal.

After a journalist is killed in his own car, Ola's team looks into what he was investigating to uncover why he was targeted.

What appears to be a couple dying in a suicide pact ends up being more complicated, and Michał asks Ola for help as Regina uses herself as bait.

Someone sends the Violets a video of a young man who ends up beaten in a cemetery just as the police respond to a call about a victim at a hospital.

The Violets investigate a closed case after receiving a letter asking for assistance getting a convicted felon exonerated.

The police face criticism for working with the Violets after a new murder -- and a serial killer on the loose -- complicate the Hycel case.