S01E15: Episode 15
Sim Chung's heart will stop without Joon-Jae's love. Upon learning this, Joon-Jae talks about his dreams and finding out that Sim Chung is a mermaid.
Previous Episode 
Season 1
Episode 1
S1E1 / 16 Nov 2016
Episode 2
S1E2 / 17 Nov 2016
Episode 3
S1E3 / 23 Nov 2016
Episode 4
S1E4 / 24 Nov 2016
Episode 5
S1E5 / 30 Nov 2016
Episode 6
S1E6 / 01 Dec 2016
Episode 7
S1E7 / 07 Dec 2016
Episode 8
S1E8 / 08 Dec 2016
Episode 9
S1E9 / 14 Dec 2016
Episode 10
S1E10 / 15 Dec 2016
Episode 11
S1E11 / 21 Dec 2016
Episode 12
S1E12 / 22 Dec 2016
Episode 13
S1E13 / 28 Dec 2016
Episode 14
S1E14 / 04 Jan 2017
Episode 15
S1E15 / 05 Jan 2017
Episode 16
S1E16 / 11 Jan 2017
Episode 17
S1E17 / 12 Jan 2017
Episode 18
S1E18 / 18 Jan 2017
Episode 19
S1E19 / 19 Jan 2017
Final
S1E20 / 25 Jan 2017
Gianna Jun
Shim Cheong / Se-hwa
Lee Min-ho
Heo Joon-jae / Kim Dam-ryung
Lee Hee-jun
Jo Nam-doo / Park Moo
Shin Won-ho
Tae-oh
Shin Rin-a
Seo Yoo-na
Shin Hae-sun
Cha Shi-ah
Moon So-ri
Ahn Jin-joo
