Asian Drama

Cellphone app Joalarm is created. If someone likes you and they are within 10 meters of you, the alarm for the app rings. The app also shows how many people like you, but the app doesn't reveal specific details on who likes you.

Kim Jo Jo is a high school student. She is pretty and smart. She seems like cheerful person, but her parents died when she was young. Since the death of her parents, Kim Jo Jo has lived with aunt's family. Living there is not easy for Kim Jo Jo. She doesn't download the app Joalarm.

Meanwhile, Hwang Sun Oh is a popular male student at the same high school where Kim Jo Jo attends. He is the son of a wealthy family, but he is not loved by his parents. His best friend Lee Hee Yeong also attends the same high school. Hwang Sun Oh notices that his best friend Lee Hee Yeong likes Kim Jo Jo. Hwang Sun Oh wants to know if his friend really likes her, so he kisses her.

In 1986, in the province of Gyunggi, in South Korea, a second young and beautiful woman is found dead, raped and tied and gagged with her underwear. Detective Park Doo Man and Detective Cho Yong Koo, two brutal and stupid local detectives without any technique, investigate the murder using brutality and torturing the suspects, without any practical result. Then Detective Seo Tae Yoon from Seoul comes to the country to help the investigations and is convinced that a serial killer is killing the women. When a third woman is found dead in the same "modus-operandi", the detectives find leads of the assassin.

Kim Bong Doo, a 'popular' elementary school teacher in Seoul, is a problem teacher who comes late to school more than the students and is scolded by the principal every day. He likes drinking better than preparing his courses, and he actively encourages and coaxes parents to offer money in exchange for his favouring their children. But one day, he finally gets caught in his own act and gets transferred to a school in the boondocks.