Celebrities are thrown into a whirlwind of teamwork, trickery, and laughter, where every challenge hides a secret and trust is a risky game. Among them lurks the mysterious “X-Man,” a hidden saboteur whose mission is to quietly disrupt the group’s success. As the contestants compete, they must rely on sharp intuition and quick wit to complete their tasks—and expose the traitor in their midst before it’s too late. Beloved for its originality and infectious energy, this defining hit of its time brought together Korea’s biggest stars, including Yoo Jae-Suk and Kang Ho-Dong, for an unforgettable blend of sharp humor, playful mind games, and ever-changing team dynamics. Keeping audiences guessing and laughing in equal measure, every round brought new surprises and unforgettable moments in the midst of competition.