This film begins with the 2011 public sweeping the grave of Lei Tiyong's son, introducing Lei Tiyong's personal story. In 2007, Lei Tiyong's son passed away due to leukemia. During treatment, Lei Tiyong's familyWith the help of various sectors of
Lin Wen, a high school Chinese teacher, dropped off four female students from his class one evening. One of the girls was raped and killed that night, and Lin Wen was interrogated as a suspect. 48 hours later, due to insufficient evidence, he wasR
