January 3, 2026
Grand Prince Yi Yeol is on the trail of the righteous thief Gil Dong. One day, a mysterious woman named Eun Jo appears before him. Eun Jo, forced into an unwanted marriage, kisses the grand prince as if possessed! The two strangers, each hiding their true identities, begin to become infatuated with one another.
Yeol's heart sways after Eun Jo's kiss, and Eun Jo, too, is overcome with emotion. Meanwhile, Yeol encounters Gil Dong, whom he has been chasing, but the prince refuses to capture him?! The prince leaves a questioning message. What is his intention? The fate of the two becomes more deeply intertwined.
Yeol grows irritated by Eun Jo’s attitude toward what happened that night. Jae I, too, feels uneasy upon hearing the news of Eun Jo’s marriage. A subtle undercurrent begins to flow among the three of them.
As the wedding day approaches, everyone wrestles with their emotions. To make matters worse, Gil Dong is accused of murder, putting Eun Jo in danger.
Eun Jo and Yeol struggle to hide the secret of their souls switching from others. Meanwhile, the news of Gil Dong’s unexplained death circulates.
The hunt for the fake Gil Dong goes awry. Yeol faces potential charges, and a mysterious figure who knows the real Gil Dong threatens Eun Jo’s life.
A mysterious organization is after Eun Jo. Yeol is arrested on suspicion of activities related to Gil Dong. Feelings grow deeper in the love triangle.
Hong Min Jik warns Yeol to leave Eun Jo. The palace schemes to secure more hunting ground. Eun Jo is imperiled trying to save the people of Gujilmak.
Yeol and Eun Jo grow closer after he saves her. A guilt-ridden Jae I digs deeper into their relationship. Hong Min Jik is brought in unconscious.
Yeol and Jae I support Eun Jo through her grief. Dae Il is apprehended under suspicion of assassinating the king. The palace falls into turmoil.
Yeol suspects the reason behind the soul switch as he sees the pain of his people through Eun Jo’s eyes. She sees the yearning in his people’s eyes.
Yeol proposes Eun Jo leave Joseon when he sees that she may be getting exploited. Meanwhile, the dancing courtesans tremble in fear before the King.
Eun Jo and Yeol turn a corner when their souls switch back. Yeol puts the pressure on Im Sa Hyeong, and he threatens Yeol back by using Jae I.
Yeol heads to Uiju to look into suspicions regarding the King’s sleeping quarters. A crazed I Gyu orders the arrest of anyone in support of Gil Dong.
Eun Jo and Yeol stand before the King to save his people, but his addiction causes hallucinations. Gil Dong’s identity brings about more peril.
Despite imminent danger, the souls don't switch. When Eun Jo succumbs to poison while battling Im Sa Hyeong, Yeol desperately hopes for her survival.