Company manager Zheng Haitao went to attend a high school reunion. During a dinner party, a timid and cowardly female classmate would suddenly be taken away by the police. Zheng Haitao had a premonition that something was fishy and drove to follow her. Later, he learned that Zeng Hui was suspected of murder, but he couldn't figure out the reason. So he decided to hire lawyer Chen Yiming to defend him. After Chen Yiming went to the detention center and met Zeng Hui, he told Zheng Haitao to look for Zeng Hui's diary first.
Zheng Haitao found Zeng Hui's diary. When he read this carefully collected diary...