Synopsis：Six hundred years ago, Prince Gyeom of the Joseon Dynasty, falsely accused of treason, threw himself into a lake. When he opens his eyes again, he finds himself in a modern bathroom in Seoul, 600 years in the future?! Suhyeon, the tough TV producer who owns the place, is shocked by this unexpected guest from the past. But with her rent suddenly doubled, she strikes a deal to live with Gyeom and team up to make money. And so begins a cohabitation and a love story that even time itself can’t stand in the way of.