Set during the end of the Goryeo period to the early Joseon period. Two friends aim their swords against one another due to differences in opinion about "my country."
The ambitious success stories of 6 people surrounding Prince Lee Bang Won, and the ideological and political conflict between Prince Lee Bang Won and Jung Do Jeon, the man instrumental in helping King Taejo establish the fledgling Joseon nation.
It is a fictional historical drama about the story of King Seonjong who ascends to the throne due to a rebellion, and Lee Tae who becomes the King after him.
Upon the announcement of the king's death in Goguryeo, a fierce battle ensues among tribes. Queen Woo, who immediately becomes the target of princes and five tribes vying for the throne, struggles to crown a new king within 24 hours. Will Queen Woo be able to transcend the constraints of gender and era to carve out her own destiny?