My Demon

The series depicts the story of a fateful encounter between Do Do-hee (Kim You-jung), a haughty but organised heiress of a conglomerate, and Jeong Gu-won (Song Kang), a demon who is cold and carefree, and who temporarily loses his powers. The couple embark on a contract marriage, agreeing to help each. Over time, their relationship begins to evolve into romance, but not any sooner than they each realise their romance may be dangerous to the other.