Bloody Heart , Red Heart , Bulgeundansim , Red Single Heart
Set in a fictional historical backdrop, the drama unfurls with the ascension of Lee Tae, the eldest legitimate son of King Sunjong, to the throne of Joseon following a rebellion. Lee Tae's father, aided by Park Gye Won, overthrew the previous king, establishing a new dynasty. Upon assuming kingship, Lee Tae harbors ambitions of absolute rule, believing any means necessary to achieve his aims are justified. However, his aspirations clash with the opposing stance of First Vice-Premier Park Gye Won, who wields considerable influence, overshadowing even the king himself. Amidst this power struggle, Yoo Jung, hailing from a noble lineage, finds herself entangled in the intricate web of royal politics. Lee Tae views her as a prospective wife, dragging her family into the turbulent currents of the royal court's power dynamics.