Oh Ji-heon

Woo Soo grew up as an orphan. His life was full of anger, exacerbated by being poor. One day, Woo Soo meets some kids. The children makes Woo Soo realize that even though he is poor, he can still share with others. This changes his life. Woo Soo works as a delivery man for a Chinese restaurant. He makes $700 dollars a month. He shares his earnings with the kids. Woo Soo hears someone say "thank you" for the first time to him. He cannot possibly be any happier. Things abruptly come to a halt when Woo Soo gets involved in an accident.

Celebrity guests are split into two teams to compete in various contests. One guest, known only to himself, is designated the "X-Man", and does his best to cause his team to lose the contests. At the end, all guests try to determine the X-Man's identity.

지헌이네 과학만사성