The story of a man named Yook Dong-sik who coincidentally witnesses a murder and picks up the killer's diary. While fleeing the scene, he gets into a car accident causes him to lose his memory. Due to the diary in his possession, he mistakenly believes that he is a psychopathic serial killer.

Shan Junhao is the CEO of Senwell. He's a hard-hitting leader who never takes half measures to achieve what he wants. He's encounter with Ye Qianyu is not a pleasant one as he has mandated the closure of the Guanmei Inn, a place that Ye Qianyu holds dear. When Shan Junhao gets into an accident and wakes up with no memories of the past, Ye Qianyu takes him in and gives him a fake identity. They grow closer through their time together even though she knows that one day, he is bound to leave.

When you happen to save the man that annoyed you the most and he wakes up with amnesia, what kind of love-hate relationship will it bring? Domineering CEO Ning Cheng Ming has a reputation for being a professor from hell. After a mysterious car accident, he is saved by Li Qian, a person that he hasn't seen in years. They were enemies. She was a witty student and now an all-around secretary

A romance between a narcissistic young master who loves no one but himself and his witty maid who has worked for him for years. When the heart beckons, what ensues is a sweet and hilarious story of pursuit. The young master of Qianyun manor, Mu Juechen is a leader among men. Not only does he have extraordinary talents but he also possesses a chivalrous heart. Through his efforts, the pugilistic world lives in harmony and he is hailed a hero. In his own eyes, he regards himself as the most perfect man.