She fell from the sky and accidentally fell into the open-air hot spring where he was. She was originally the daughter of a wealthy family, but she didn't want to suffer from amnesia due to the plane crash. She shamelessly became his nanny. He is a member of the idol group and has an almost perfect face and figure. Will a man who has been hurt by a woman, a man who no longer believes in love, a man who hates women, fall in love with her who is weird and cunning? Let's see, who conquered whom in the end?