You have been the wife of the Demon King Leeyang for 2 years because you stole a cursed ring in an empty house which belonged to the Demon. Your daily life becomes abnormal because you have to go back and forth to the Demon world and when you return to the human world you are uncomfortable because there is a figure who keeps watching you.

That full moon night, you return to the Demon world and enter his palace which is always dark and scary...