Trailer: The Mat by Choi Ji-on

Once you get on the mat, the judging begins! One day, eight people are suddenly called to the mat. They have nothing in common. They are given an unidentified mission to confess their sins if they want to get out alive. On the mat full of confusion, screams, and disbelief, the players must do their best to survive. After accusing them of a crime, the game gets more and more extreme…