The story of a grim reaper who gets erased from the memories of the world for breaking the rules of heaven and falling in love with a mortal woman after inhabiting a human body.

HONG Gildong is an infallible private detective with an exceptional memory and quirky personality. While chasing the only target he failed to find, he gets entangled in a much bigger conspiracy than he bargained for.

A Princess in the Joseon Dynasty travels to the Qing Dynasty to marry. On the way to there, she meets a young magician and falls in love with him.