Detective Investigation Archives is a criminal investigation TV series directed by Poon Ka Tak and starring Tao Dayu, Guo Keying, Liang Rongzhong and Su Yuhua. The play was broadcast on March 1995. It tells the story of Zhang Dayong (Tao Dayu) and detective Li Zhongyi (Liang Rongzhong) investigating a puzzling case. Many cases are intermediate cases, and the mysteries are one after another, but they can still use their intelligence to expose the truth of the case and try to bring the criminals to justice. Detective Archives is a series of detective dramas with suspense reasoning, which tells the story of Sha Dayong () and Gan () successfully solving the case. In the process of investigating a series of cases, they exposed thrilling cases with unexpected layout. Many cases are in the middle, and the mysteries are one after another, but they can still use their intelligence to expose the truth of the case and try to bring the criminals to justice.