In a gripping sequence, viewers hear a mysterious voice inviting players to the fourth game, titled “Jack and Jill.” The ominous tone suggests that the stakes are higher than ever, with only three games remaining for the contestants. The voice of Player 456, portrayed by Lee Jung-jae, resonates with a sense of urgency as he warns of the chaos that will ensue, emphasizing that one more game will not suffice for the ruthless competitors.