I. Introduction

Criminal Investigation Diary is a fashion suspense thriller jointly produced by Youku and Hong Kong TVB. It is supervised by Guan Shumeng and starred by Kara Wai, Wang Haoxin, Jiang Haowen, Yuan Weihao, Huang Zhiwen, Li Nuoyi, Wang Minyi and Chen Wei. On June 200215, it was broadcast exclusively on Youku, and on June 28, it was broadcast on Hong Kong Jade Channel and HD.

The drama focuses on different mental patients such as schizophrenia, schizophrenia and bipolar disorder, and tells a series of unexpected stories in laughter and suspense.

Second, the plot

When people meet, there is always a reason, either a gift or a lesson. Yang Bixin (Kara Wai) suffers from schizophrenia and almost poisoned his son Ye Jinfeng (Wang Haoxin). Jinfeng was so scared that he separated himself from a weak but sweet person, Zhu Ji.

Zhu Ji became an expert in handwriting and psychological profiling through hard study, helping Jinfeng become a happy undercover and uprooting a criminal group.

However, the mysterious case that followed made Jin Feng a murderer and frightened his sister Ye Langqing (Dai Zuyi). However, Bi Xin, who left her children in those years, went to a mental hospital as an assistant to protect her daughter in order to make up for it, but her relationship with Jinfeng is still difficult to solve.

Jin Feng, with dual personality, is appreciated by Nie Shan (), the father of criminal investigation who just cured bipolar disorder, and recruited to join the task force together with psychiatrist Wei Ruijie (ornaments), bomb disposal policeman You Yanxing (ornaments), chief inspector Jiang Zhengxun () and forensic anthropologist Fang ().

Zhang Xiaoman (played by Lian Shiya), a forensic entomologist, and Lan Hai (Ju), a novel editor who is often suspected to be related to the case and needs to be investigated, fight against criminals with high IQ and psychological deviation, and solve many chilling unsolved cases.