Kim Soo-won (Hyun Bin), the president of a department store, is handsome, rich, and highly educated. He believes in a political marriage that "does not waste time and feelings." His cousin is Oscar (Yoon Sang-hyun), a popular Korean star who is very popular with women. In order to help Oscar settle the scandal, Kim Soo-won came to the filming site, but accidentally took away the stunt double Giloline (Ha Ji-won). Soon, Giloline, who had a handsome short hair and agile actions, captured Kim Soo-won's heart. However, the huge difference in economic level and class status between the two made President Kim very conflicted and painful. Later, due to various coincidences, everyone gathered in Jeju Island. In a long night of lightning and thunder, Kim Soo-won and Giloline both drank the wine brought back from a strange place, and strange things happened. Their souls exchanged. The poor stunt double and the president whose "specialty is making money" began to play each other's roles...