Season 1 of Förrädarna premiered on September 2, 2023.

Actor Dragomir Mrsic leads the program where board games meet reality. Get ready for a nerve-racking murder mystery game where viewers become witnesses behind the scenes. 18 participants, completely unaware of each other, arrive at Häringe Castle and are put to the test in the psychological game. Who in the group can be trusted, who is plotting and, above all, who are the traitors?