Shim Cheong , a mermaid crosses path Joon Jae and an unfinished tale from last life starts.

A mermaid comes to village and there is one boy who can hear his thought. They get killed and a new life begins.
The director delivers a classic job in knitting a fantasy romance story with a murderer in sleeve. In this fantasy tale, it is essential to keep the spark alive till the last . The narrator does a fantastic job in keeping audience glued and not skipping any part.
The unbeatable chemistry and the hooking plot makes it a rewatchable story.