该剧讲述女主角因为连环杀人案痛失最爱的朋友，时隔19年她再次追踪连环杀人案，揭发巨大的恶的真实面貌的故事。
金瑞亨饰演重案组刑警车英真，她因年幼时没有守护最爱的朋友，怀揣罪恶感和愧疚，负重前行，立誓要揪出凶手。
柳德焕饰演新星中学科学教师李善宇一角。他对学生倾注了多少的感情，就受到了多 少的伤害，甚至更深。本意想要离开教团的他却在周围人的挽留和劝导下，来到了姐夫担任理事长的新星中学。在那里他遇到了内心多情温暖的孩子。

A man's failed suicide attempt enables him to see ghosts, who later keep following him everywhere. It is now up to him to fulfill their wishes to make them go away.

徐智友（林秀晶 饰）是一名舞台导演，只因为对初恋男友恋恋不忘，她一直单身还多次拒绝了父亲挑选的相亲对象。父亲为了打开女儿的心结，情急之下求助于一家名为“寻找初恋”的事务所。事务所是一位名叫韩基俊（孔侑 饰）性格木讷的男人所开，基俊在职场上很不得志，无奈之下才创办了这家“寻找初恋”事务所。徐智友的父亲就是基俊的第一个客人， 他们要寻找的这个人叫做金钟旭，也就是徐智友的初恋男友。对于父亲的这一举动，徐智友起初很不配合，但无奈韩基俊的执拗和父亲的唠叨，她也加入到寻找金钟旭的行动中。基俊和智友的感情也慢慢发生着变化，就在大家对于寻找金钟旭不报希望的时候，金钟旭却自己出现了，三人的关系将如何终结？

2009 South Korean romantic action comedy film

2021 film directed by Lee Yong-ju

2012 film directed by Jo Sung-hee

Two best friends, So-yool and Yeon-hee, dream of becoming the top artists in Seoul together. But their friendship doesn't last long as Yoon-woo, So-yool's first love and songwriter, falls in love with Yeon-hee and her voice. So-yool's feeling of jealousy and inferiority towards Yeon-hee grows by the day, and she eventually makes a drastic decision to bring the two lovers down.

2014 South Korean drama film directed by Yoon Je-kyoon

Jeong-hye gives a birth to a baby boy in the prison. Her and other inmates create a women's choir to compete in the national choir contest, to meet and greet their families and loving ones.

A woman's past as a convict follows her everywhere and because of this she doesn't open up to others. But then she strikes up a friendship with a broken child who has suffered from domestic violence and decides to save the girl from the cruel world. A man who holds feelings for the woman, tries to protect her in his own way.