Netflix is diving into darkness: A series about "The Devil from Piotrków" is being created – at the helm is the creator of "Great Water"!

Poland's most chilling killer. Netflix’s Blizna tells the story of Trynkiewicz, with the vibe of Rojst and Wielka Woda’s director.

There is something unsettling about the fact that a story which has forever left its mark on Polish society is coming back today as a series. But Netflix has decided to tackle an exceptionally difficult subject — Blizna is being created, a story about Mariusz Trynkiewicz, known as the "Satan from Piotrków." The direction is handled by Kasper Bajon, the creator of Wielka woda and Projekt UFO, who — if we believe his previous projects — is capable of conveying the weight of dramatic events without cheap shock.

Everyone in Poland has heard of Trynkiewicz. A former PE teacher, quiet, nondescript, yet capable of acts that defy any measure of cruelty. In 1988, he brutally murdered four boys. He was sentenced to death, but after changes in Polish law, his sentence was commuted to 25 years in prison. When he was released, he was placed in a center in Gostynin as a person posing a threat to society. This story still evokes horror—also because it cannot be explained simply.

The series will be filmed in Łódź and Pabianice – places that visually fit the atmosphere of the late PRL period when these events took place. Filming is already underway, and the premiere is planned for 2026. Netflix is opting for a slow but precise pace – it’s not about sensationalism, but about something more: an attempt to understand how something so terrible could happen and what it says about us as a society.

Blizna may be one of those series that not only tells a story but stays with the viewer long after the last episode.