Plot:
A group of students found Mr. Park who taught them to live alone in the countryside after retirement 16 years ago. Because of leg paralysis, in order to make the teacher in wheelchair happy, student Miko specially called her former primary school classmate. Shi Hao, the squad leader who is about to get married, En Ying, the vice squad leader, Shunji, who was discriminated as a "pig" when she was a child, but now she is very beautiful, Taihō, who used to play football very well, especially Hao Ming, who the teacher likes very much, and so on. The atmosphere was good when chatting, and the air was filled with fear.
Shi Hao, the monitor, and En Ying, the deputy monitor, can hardly forget the insults they suffered when they were children because of family difficulties. Shunzhi's slim figure was obtained through plastic surgery and anorexia after being teased and hurt by Teacher Park. Taihō, who dreamed of becoming a football player as a child, became disabled because of teacher Park's corporal punishment. Hao Ming's mother was called mental illness by Teacher Park because she wrote a petition. They all hide their injuries in their hearts, but on the surface they try to express their gratitude to their teachers. Jacky lost her mother in a traffic accident the day after her teacher kicked her out of the classroom. Since then, she has never been to school. They will retaliate against Mr. Park with bloody slaughter. Mr. Park's unknown secret and the students' anger and hatred are about to be made public. ...