Inspired by a classic Joseon legend from Korea's first collection of unofficial historical tales, about a fisherman who capture and kidnapped a mermaid, this drama tells the love story between the son of a Joseon noble family named Kim Dam-ryeong (Lee Min-ho) and a mermaid he named Se-hwa (Jun Ji-hyun).When Dam-ryeong was a kid, he almost drowned but was saved by a mermaid. Following the incident, they became friends and Dam-ryeong named her Se-hwa, after his younger sister. They ended up falling in love, but one day Dam-ryeong was forced by his family to marry another girl. Devastated by the news, Se-hwa decides to leave Dam-ryeong forever and erased all his memories of her and their love. However, fate brings them back together and they tried to escape from humans who were going to separate them. Fearing that the same ill-fate that afflicts himself and Se-hwa will replay itself, Dam-ryeong sends an artifact to be discovered in the future to try and warn his future self. The fates of...

A woman named Ji Hyun Shin whom has everything, loving parents, best friends, and an adoring fiancé, gets into a car accident before her wedding causing her to be in a coma. A reaper known as Scheduler gives Ji Hyun a second chance to live. In order for her to do that, she must have 3 people cry pure tears. She uses the body of Song Yi Kyung, a woman who lost everything. After devastating turnovers with friends, family, and fiancé Ji Hyun finds it difficult. But grows strong. Written by Seonyeo