A story of a 25-year-old Go Hajin who is transported back in time to the Goryeo Dynasty. She then wakes up in the body of Lady Hae Soo and finds herself amongst the ruling princes of the Wang Family.

IUas Go Ha-jin / Lady Hae Soo
Lee Joon-gias Wang So (4th Prince)
Kang Ha-neulas Wang Wook (8th Prince)
Hong Jong-hyunas Wang Yo (3rd Prince)
Baekhyunas Wang Eun (10th Prince)
Nam Joo-hyukas Wang Baeka (13th Prince)
Kim Ji-sooas Wang Jeong (14th Prince)
Yoon Sun-wooas Wang Won (9th Prince)
Kim San-hoas Wang Mu (Crown Prince / 1st Prince)
Seohyunas Princess Woo-hee
Cho Yoon-young