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.

Male and female contestants compete for "each other" in romance games. For example guests have to dance in order to impress the person they are after. Contestants are artists, actors, models, comedians, and MCs of the South Korean entertainment industry.

Born a princess and raised a soldier, Pyeong Gang is a woman with big dreams and limitless ambition. Determined to become the first Empress of Goguryeo, Pyeong Gang will stop at nothing to make her dream come true. Clever and level headed, Pyeong Gang is well aware of the obstacles that stand in her way and she’s more than capable of taking them on. With meticulous planning, she sets out to make her dream come true. But things take an unexpected turn, the day she meets On Dal.

Woo-chul used to be a successful boxer, but he had to go to prison because his opponent died in the middle of a match. Now that he’s been released, he intends to become a model citizen. Meanwhile, his friend Do-shik will do whatever it takes to get ahead. After choosing different paths, they will be forced to plot against and betray one another.

A married couple who received a divorce settlement lose their memories in an accident. With amnesia, they fall in love again, so their families try to restore their memories to finalize the divorce.

A Korean company analyst rear-ends an American man's car then discovers he's her new boss. Unlucky at love, she begins to take romance lessons from him in order to seduce him.