A mysterious car accident changes Maciek's life completely. His wife Janina dies in the incident. Most likely, the woman committed suicide. However, Maciej has no idea why the accident happened near Mragowo, since Janina said she was going on a business trip to Krakow. She made a mistake? Or was she lying? A distraught man embarks on a journey to solve the mystery of her death. Soon he finds himself on the trail of a certain Wojnar - an actor whom he suspects of having an affair with his late wife. From that moment, questions begin to multiply, and the tragedy turns into a complicated mystery. Maciej comes to the conclusion that perhaps he did not know the woman he married at all.