Of the high-rolling top 'hot celebrities' of the wealthy upper class in Korea's high society, Kang Hye Na is the one desired by the men, feared and hated by the women. Being the only successor to the largest conglomerate company, Kang San Group, Kang Hye Na has both the looks and the background. She is the owner of the 'Lady Castle' and lives a 'princess-like' life with her servants.

A clumsy high-school girl - Oh Ha-ni - is at the bottom of her class, and she has had a crush on a popular genius, Baek Seung-Jo, ever since she first laid eyes on him.

One day, a stationery store in front of an elementary school is struck by a lightning and a mysterious thing happens.

Desperate to discover who framed him for murder, criminal Su-hyun escapes from police custody and crosses path with cop Sung-woo. After realizing they have a mutual enemy, the two form an unlikely alliance and together go looking for payback.