A pitiless demon becomes powerless after getting entangled with an icy heiress, who may hold the key to his lost abilities — and his heart.

A pitiless demon becomes powerless after getting entangled with an icy heiress, who may hold the key to his lost abilities — and his heart.

This time-slip drama centers around Bong Pil and his five friends who travel between the past and present through a manhole in order to stop a wedding scheduled a week…