The series begins at the end of King Jinheung's reign and continues until the end of Queen Seondeok's reign. Deokman was born as one of the twin daughters of King Jinpyeong and Queen Maya, but due to a prophecy, King Jinpyeong had to send his daughter away from the palace with the help of his clumsy but loyal servant, Seohwa, to save Queen Maya . to be deposed by Mishil, whose ambition was to become queen. Seohwa created Deokman as if she were his, but a twist eventually led Deokman to discover his true identity - only to be abandoned again by his family to save the throne from Mishil's hand, with the exception of his twin sister. sister Cheonmyeon, who ended up losing her life while trying to help Deokman escape. Out of hatred, Deokman tried to recover what was taken from her and avenge her sister, overthrowing Mishil and becoming the first wife of the king of Silla, with the help of her trusted friend, Yushin, and Bidam, whom she loved, and finally led a rebellion near the end of his reign because of a misunderstanding.
Lee Yo-won is a South Korean actress, known for playing Queen Seondeok in the hit drama Queen Seondeok.
Nam Ji-hyun (born September 17, 1995), is a South Korean actress and model. She is best known for her roles in the television series Queen Seondeok (2009), Shopping King Louie (2016) and Suspicious Partner (2017).