Han Joon Oh is one of South Korea’s top celebrities. He is extraordinarily handsome and tall, but he secretly suffers from an inferiority complex that leaves him perpetually insecure. One day, he is hired to appear in a public service announcement. But the shoot goes horribly wrong, and Han Joon Oh is involved in a potentially fatal car accident. He survives only thanks to the quick reflexes of a female firefighter named Kang Young Hwa, who performs a heroic rescue. Han Joon Oh’s representatives hire Kang Young Hwa as the star’s personal bodyguard, recognizing her incredible talent. But when Han Joon Oh awakens from his coma in the hospital, he is completely changed: his body has been possessed by the spirit of a nobleman from ancient Korea. This nobleman, named Do Ha, was killed by his beloved wife, Han Ri Ta, and his vengeful spirit seeks only one thing: revenge...