Des：One day, teacher Mari and her husband and philosophy teacher visit the home of Yugo, a student who refuses to go to school. Due to Yugos behavioral problems, the school abandoned him, but he came to his home despite his objections. However, as soon as Yugo welcomed Mary in, he made Mary and Philosophy drink tea with sleeping pills, and knocked Mary down in front of Philosophy. The gangster father Xiaozhi and his thugs appeared in the middle, and the three of them circled the ball.