Set in the Joseon Dynasty, *The King’s Affection* follows a dangerous palace conspiracy where a crown princess gives birth to twins, considered an ominous omen requiring the execution of the daughter. Desperate to save her child, the mother secretly smuggles the baby girl, Dam-i, out of the palace. Years later, fate brings Dam-i back as a palace maid, where she accidentally crosses paths with her twin brother, the Crown Prince Lee Hwi. When the prince is mistakenly assassinated by guards hunting the runaway maid, their ambitious grandfather orchestrates a daring cover-up. To prevent a succession crisis and protect the royal bloodline, Dam-i is forced to assume her dead brother's identity, living her life disguised as a man and the future monarch.Years pass, and Crown Prince Lee Hwi rules with a cold, intimidating demeanor to mask her true identity and protect her harrowing secret. Her solitary existence is upended by the arrival of Jung Ji-woon, a charismatic and brilliant scholar who becomes her royal tutor. Despite the rigid social hierarchies and constant danger, Ji-woon and the disguised monarch develop a profound, undeniable romance. Complicating matters further, Ji-woon is the son of the ruthless court official responsible for the death of Dam-i’s former master, creating a web of shared trauma, hidden identities, and political tension.As they grow closer, the palace becomes a battleground of
political intrigue. The royal court, dominated by the power-hungry Left State Councilor, constantly schemes to depose the young ruler. Simultaneously, Lee Hwi must navigate the perils of royal marriage, court suspicion, and assassination plots, all while hiding her biological sex from prying eyes. Ji-woon eventually discovers the shocking truth about the prince’s identity, choosing to stand by her side rather than flee.The climax erupts in a high-stakes
power struggle against the corrupt faction that murdered the original crown prince. Lee Hwi orchestrates a brilliant counter-coup to reclaim the throne legitimately and rid the court of tyranny. In a final act of sacrifice and defiance, she consumes poisoned wine intended to frame her allies, seemingly dying in Ji-woon's arms. However, the poison's effects are miraculously neutralized. Years later, having abdicated the throne and finally shed the crushing burden of the crown, she reunites with Ji-woon in secret. Living freely as a common woman, she finally embraces her true identity, finding peace and enduring love away from the suffocating walls of the Joseon palace.