"Mr. Queen" episode 1 opens with modern scenes of chef Jang Bong Hwan (Choi Jin Hyuk) and his arrogant life. Because of his pride, he was harmed by others, leading to a mistake in the reception of the foreign ambassador delegation. After that incident, Bong Hwan was chased by the police and unfortunately fell into the swimming pool from a high floor.
The accident caused Bong Hwan to stand between life and death. During a critical moment he sees a silhouette of a woman wearing a hanbok to save. The kiss under a strange whirlpool took Bong Hwan's soul time travel back to the Joseon period in the body of a woman named Kim So Yong (Shin Hye Sun).
He woke up in shock and realized that it was not Bong Hwan's dream that was even more shock when he learned he became a woman. It turns out that at the same time Bong Hwan fell into the water, this Joseon woman also had an accident. Water is the key that connects the two of them. To return to modern times, Bong Hwan went to the lake he was in an accident to return to but failed because the lake was drained.
Bong Hwan makes an offer to King Cheol Jong to help fill the lake, but his powers are all dominated by Queen Sunwoo. Prime Minister Kim and Queen Sunwoo both tried to investigate the case to keep Kim Andong in power.
So Yong's accident was directly related to Jo of the Jo family of Poongyang region. However, because Jo Hwa Jin's first love belonged to this family, Cheol Jong defied the rumors to give evidence to prove their purity.
Surprised by the wedding announcement the next day, Bong Hwan confessed that he was a man to Cheol Jong. Despite So Yong's madness, Cheol Jong continues to doubt about her identity and the plan that she is arranged by his side. The royal wedding between King Cheol Jong and So Yong is still complete despite many strange points. This is also the day when Jo Hwa Jin is allowed to enter the palace. The future facing So Yong's rivalry is coming soon.
The next problem that Bong Hwan has to face is the sexuality after the wedding. At first, he wanted to get drunk on his husband, but in the end he failed. What will Bong Hwan's male soul do to overcome the tough challenge of the night? Watching episode 2 of "Mr. Queen".