Yoon So Ah (Shin Se Kyung) is a pragmatic neuropsychiatrist who carries a tremendous financial burden to run her own practice. Her family has been tasked with serving Ha Baek (Nam Joo Hyuk), a reincarnated water god, for many generations, and So Ah is forced to do the same.
Ha Baek starts to develop feelings for So Ah, but he has competition for her heart from Hoo Ye (Im Joo Hwan), the CEO of a resort company, who clashes with So Ah over a piece of land but then falls in love with her.
Moo Ra (Krystal Jung) is a goddess from the Water Kingdom who has been living on Earth for hundreds of years. Working as an actress, Moo Ra loves Ha Baek and doesn't appreciate So Ah stealing him away from her.
Meanwhile, Bi Ryum (Gong Myung) is a wind god who has always had a one-sided crush on Moo Ra despite knowing her feelings for Ha Baek.
Can a relationship between a mortal female and a god have a future?