After Bangkok and New York, Chinatown master detectives Tang Ren (Wang Baoqiang) and Qin Feng (Liu Haoran) are heading to Tokyo to solve a mysterious murder case. Joining them are Thai detective Tony (Tony Jaa), and Japanese policeman Noda Hiroshi (Tsumabuki Satoshi) as they attempt to outwit Q, the top ranked mastermind on Crimastr. Director Chen Sicheng returns with his all-star cast for the hilarious DETECTIVE CHINATOWN 3.