The story of a detective who lost his partner to a crime caused by a juvenile offender. The drama examines the loopholes and ambivalence of the justice system when it comes to juvenile crimes.

Go Nam Young dreams of writing her own novel. She agonizes over whether to quit the company where she works and pursue her dream. She has dated Kim Won Jae for a long time, but an unexpected case leads to their breakup. Go Nam Young seeks to find her own happiness.

Do Tae Rang must keep things nice and clean all the time. He won't allow any stains. He happens to work at a cleaning service for crime scenes. The service is run by Mo An Na and Do Tae Rang is the company's only employee. While they clean up a criminal site, Mo An Na and Do Tae Rang uncover a truth.

Byung Hyun meets Soo Ji at a social dance class. He falls in love with her.

Da Eun has lived in semi-basement apartment for 8 years. She finally passes her civil service examination and she prepares to move out.

Kyung Woo is a former baseball player and he now works as a baseball scout. Jae Won is a promising high school baseball player.

Choi Sung Eok is a retired detective. He lives with his wive in an old apartment. He has financial difficulties, because he put all of his money into his son's business. Choi Sung Eok needs to work again to cover his living expenses. He takes up a job as janitor of shopping building. Due to this, he comes face to face with Park Yong Goo\. In the past, Choi Sung Eok arrested Park Yong Goo multiple times.

Tae Goon is a tow truck driver. One day, he witnesses a girl being kidnapped. Tae Goo attempts to find the kidnapper to save the girl.

Soon Ho has a dream, which other people should not know about. He moves to an abandoned house, located in a small country village. Soon Ho happens to meet 12-year-old girl Dong Ja.

Soo Ah is an architectural designer. Her boyfriend Yoo Chan proposes to her, but she tells a lie to him. What is the secret involving the house and her lie?