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.

Lee Ma Ri, a star actress, falls in love with Jung Woo Jin, but she realizes that he became interested in her after reading her popular travel essay, “Lovers in Asuka”. Because of this, the ghostwriter for “Lovers in Asuka”, Kim Chul Soo, gets called in by Ma Ri for private lessons about the details on the travel essay. However, Byung Joon, Chul Soo’s friend and journalist, discovers that Chul Soo...

Police officer Bao Yu is working undercover as drug dealer Jin Fei's subordinate and is eventually able to work directly under powerful drug lord Tian Jing after befriending his daughter, Tang Guo. However, Bao Yu is not fighting the drug cartel alone - he also has a support network including fellow undercover colleague and romantic interest Guan Xiao Zhi, police chief Fang Qing Long and anti-narc...

After graduating from high school Min-seo fails to get into college. He spends the next year cramming for his entrance exam once again. Jeong-hun a university student fresh out of high school school.