Lee Gak is a Crown Prince in the Joseon era. He's got one love of his life, Princess Hwa Yong. Unfortunately, she dies in the lake outside the palace, which sends him into a deep state of sadness. He develops a way to reunite himself with her in her next life by traveling with his loyal servants to Seoul's 21st-century city. That is where he meets Park Ha, the stepsister of the reincarnated Princess Hwa Yong. He isn't used to the lifestyle, but he is determined to find his soulmate in Seoul.

On Dal, who was a foolish man 1,400 years ago, is reincarnated as a different person. As the successor of the resort, he is arrogant and egoistic. On Dal completely changed after he lost his mother when he was nine years old. Pyung Gang, who was the princess of Goguryeo 1,400 years ago, is reincarnated as a girl who works in the housekeeping department at a golf resort during the day and cooks chicken soup at night. Her family used to be wealthy, but she had to become the breadwinner of the family after her dad passed away. Pyung Gang and On Dal are living completely different lives and are about to start their fateful love story again.