Overview
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.
Cast
- Gianna Jun as Shim Cheong / Se-hwa
- Lee Min-ho as Heo Joon-jae / Kim Dam-ryung
- Lee Hee-jun as Jo Nam-doo / Park Moo
- Shin Won-ho as Tae-oh
- Shin Rin-a as Seo Yoo-na
- Shin Hae-sun as Cha Shi-ah
- Moon So-ri as Ahn Jin-joo
- Na Young-hee as Mo Yoo-ran
- Hwang Shin-hye as Kang Seo-hee/Kang Ji-yeon
- Oh Yeon-ah as Young Kang Seo-hee/Kang Ji-yeon/Hong Nan