A mermaid from the Joseon period ends up in present-day Seoul, where she crosses paths with a swindler who may have ties to someone from her past.
Starring Gianna Jun, Lee Min-ho, Lee Hee-jun, Shin Won-ho, Shin Rin-a, Shin Hae-sun, Moon So-ri, Na Young-hee, Hwang Shin-hye, Oh Yeon-ah