Bong Hwan is a successful young chef, but he finds himself in trouble. After accidentally falling into a swimming pool while being chased by the police, he wakes up in the Joseon dynasty in a woman’s body. And the body he is trapped in belongs to the future queen of all people. Bong Hwan must find a way to go back.

Cheoljong saves So Yong when she jumps into the water to go back to the present day. Cheoljong starts to see So Yong differently and tries to start fresh with her. Meanwhile, So Yong is hopeless as she fails to go back even when she drowns herself in the lake. She attempts every method to get in touch with the spirit that is in Bong Hwan’s body.

After inventing delivery system in Joseon dynasty, So Yong gains motivation in her new life. However, she suddenly travels back into the body of Bong Hwan in the present day and realizes that he is in a vegetative state. Meanwhile, as the spirit of Bong Hwan left the body of So Yong, she collapses and that leaves the Palace in an uproar.

Cheoljong and So Yong plans to go back to the Palace in safety while Grand Queen Dowager and Kim Jwa Geun strictly restrict the entry. However, Bong Hwan’s soul suddenly leaves So Yong’s body when she is in danger. Will they be able to stop Kim Jwa Geun before the enthronement ceremony?