"Criminal Investigation Diary (National)" is a Hong Kong drama film full of suspense and psychological analysis, starring Hui Yinghong, Wang Haoxin, Actors such as Jiang Haowen and Yuan Weihao starred, and Guan Shuming and Huang Guohui co-directed.
The film revolves around schizophrenia, dissociative disorder, bipolar disorder, etc. The patients of the disease unfold, telling a series of unexpected, ironic and gripping stories.
The main line of the story focuses on Yang Bixin, who suffers from schizophrenia , and even almost threatened the safety of his son Ye Jinfeng. After Jinfeng was frightened, he dissociated and separated, and a gentle and kind personality was born, named Zhu Ji. Zhu Ji became an expert in handwriting and psychological analysis by studying hard, and helped the agile Jinfeng become an undercover agent of Happy, and the two teamed up to completely destroy a criminal group.
However, successive strange cases made Jinfeng a suspect. At the same time, her younger sister Ye Langqing was frightened and lost her mind. In order to make up for past mistakes, Bixin, who once ignored her children, turned into an assistant and entered the mental hospital to protect her daughter's safety. However, the knot between her and Jinfeng is still difficult to untie.
Jin Feng’s dual personality was appreciated by Nie Shan, the father of criminal investigation In the end, Nie Shan cured Jinfeng's bipolar disorder and invited him to join the special case team. Jinfeng and psychiatrist Wei Ruijie, bomb disposal policeman Hua Youyanxing, chief inspector Jiang Zhengxun, forensic anthropologist Fang Wanqian, forensic insect expert Zhang Xiaoman, and novel editor Hailan who is often suspected of being involved in the case and under investigation, embarked on a battle with Gao Zhizhi Psychological warfare against criminals.
In this exciting special case team, everyone is faced with various psychological deviations criminals, and worked together to solve many thrilling unsolved cases.