During evening self-study, Li Qianxun was tortured by math problems and was dizzy. She decided to sneak out of the classroom and take a walk to relax. She accidentally discovered the body of her deskmate Jiang Qianxun next to the school swimming pool. To make matters worse, the surveillance camera next to the swimming pool was broken and Li Qianxun became a suspect.
It is not easy to find the truth, but fortunately, her friend Zheng Xian stands with her. The two novices in reasoning went through the storm of youth step by step, clearing the clouds and seeing the sun.
Purpose: Socialist reasoning