Song

As the son of King Yeom-ra of the underworld, Jae-shin has lived a hedonistic life full of ever-changing bed partners and condescension towards humans. One day, however, he crosses a line and is given a rather unusual punishment: by day, he becomes a

.On the day of the wedding between a male dentist and a female doctor, the female doctor suddenly swapped body with her own father after a mysterious lightning strike. From that moment onwards, the male dentist's wife is officially his father-in-law!