Taeyong is your typical 9 to 5 white collar worker at a local engineering company in Seoul. He is everyone's sweetheart in the office and recently just got engaged to his girl, Yoojung. One day, on his way home, Taeyong accidentally hit a tree and collapsed.  He wakes up to the era of Goryeo Dynasty, somewhere over a thousand years before he was born. Dumb-founded, frustrated, confused.. Taeyong isn't sure how he ends up at such place.  Princess Haeeungyong is King Taejo's pri