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.
| Title | Time | |
|---|---|---|
| 1 | Episode 1 | 2016-11-16 |
| 2 | Episode 2 | 2016-11-17 |
| 3 | Episode 3 | 2016-11-23 |
| 4 | Episode 4 | 2016-11-24 |
| 5 | Episode 5 | 2016-11-30 |
| 6 | Episode 6 | 2016-12-01 |
| 7 | Episode 7 | 2016-12-07 |
| 8 | Episode 8 | 2016-12-08 |
| 9 | Episode 9 | 2016-12-14 |
| 10 | Episode 10 | 2016-12-15 |
| 11 | Episode 11 | 2016-12-21 |
| 12 | Episode 12 | 2016-12-22 |
| 13 | Episode 13 | 2016-12-28 |
| 14 | Episode 14 | 2017-01-04 |
| 15 | Episode 15 | 2017-01-05 |
| 16 | Episode 16 | 2017-01-11 |
| 17 | Episode 17 | 2017-01-12 |
| 18 | Episode 18 | 2017-01-18 |
| 19 | Episode 19 | 2017-01-19 |
| 20 | Final | 2017-01-25 |
