The film revolves around the exploits of a detective agency in Hong Kong called Mannix Private Detective Agency. It is headed by private detective Wong Yeuk Sze (Michael Hui) with his emotionally drained assistant Puffy (Ricky Hui). Meanwhile, Lee Kwok Kit (Samuel Hui), a kung fu expert, who works at a Vitasoy plant factory and spends most of the time doing kung fu tricks to impress a girl, ultimately loses his job. Seeking to find another line of work, Lee attempts to joins Wong's detective agency. Despite Lee's impression with his kung fu talent which involves his snatching trick, Wong was not impressed. Then, as it appears that Lee would not get the job, Wong discovers that his wallet was missing and was presumed stolen by one bystander who bumped into them. Lee intercepts him and recovers the wallet, thus impressed Wong to hire him for the job.The Private Eyes featuring Michael Hui and 许冠杰 is not currently available to stream, rent, or buy but you can add it to your want to see list for updates. It's a comedy and thriller movie with a better than average IMDb audience rating of 7.0 (808 votes).