In 1994, a summer camp reels from a brutal crime. Twenty-five years later, the police seek prosecutor Paweł Kopiński's help identifying a murder victim.

A student's essay spooks Laura, and terrifying memories of the woods come rushing back. Paweł presses Inspector Jork to speak with Artur's parents.

In 2019, workers unearth human remains near the camp. In 1994, the police turn their attention to Paweł — who pursues his own hunch about the killer.

Determined to uncover what happened to Kamila, Paweł confronts a face from his past — and a puzzling claim sets his investigation on a new path.

Paweł makes a sacrifice for his family and finally learns the whole truth about that night in the woods.