After being rejected from the police college, a mannerly man travels to Bangkok where he and an energetic distant relative must solve a murder case.

He Fei's wife, Li Muzi, disappears during their anniversary trip. When she reappears, he insists that she is not his wife. As Chen Mai, a top lawyer gets involved in this bizarre case, more mysteries start to emerge.

Tang and Qin team up to solve a murder in New York's Chinatown.

The film follows criminal police officer Cui Xun over half a century of investigative work. Alongside his colleagues, he solved numerous major cases while staying true to his original aspiration of 'serving the people.' This legendary detective not only witnessed the evolution of China's public security system but also stood as a living testament to the rise of New China.

In 1900, the mysterious murder of a white woman and a Native American man in San Francisco's Chinatown triggers a race against time as the Chinese suspect and the Native American's adopted Chinese son work to uncover the truth while a politician seeks to leverage the Chinese Exclusion Bill as well as the prevailing xenophobia and racism to close down Chinatown and elect himself as the mayor.

Coinciding with a grand local holiday celebration, wealthy businessman Zheng Bingrui invites his daughter Tingting's teacher Li Huiping and a group of classmates' parents to a party at his home, but Tingting is suddenly kidnapped. Police officer Zhang Jingxian led the team to investigate the case, the kidnappers to Ting Ting life threat, requiring Zheng Li with a huge ransom to the appointment, along the way the two found the kidnapping case behind the hidden secrets ......

Journalist Ye Pan is looking for the truth behind a puzzling double fall. During her investigation, she reports nurse Li Yue and mother You Xi as suspects, which triggers public outcry and the situation gradually gets out of control.