Zhang Kejia

The film tracks protagonist Chen Zhihui who succumbs to trauma and frustration when he is released after spending 20 years in prison and becomes a serial killer.

Returnee teacher Lang Xing brings fresh, bold teaching methods to Tongmeng High School, inspiring both students and fellow teacher Gu Xiaomeng. Amidst unexpected challenges just before the college entrance exam, they work together to support every student in overcoming obstacles and reaching the exam.