The Private Eyes

The film introduces the Mannix Private Detective Agency, led by Wong Yeuk-sze with Puffy as his weary assistant. They operate in bustling Hong Kong, taking on various cases to keep the agency afloat. The dynamic between Wong and Puffy hints at the humor and drive behind their investigations.

Lee, a kung fu expert who works at a Vitasoy plant, seeks a job at Wong's agency. A bystander bumps into them and a wallet goes missing, sparking a kitchen confrontation where Wong battles the thief with improvised sausage nunchaku. Lee intervenes to recover the wallet and earns Wong's hire, though the wallet twist reveals Wong had it all along.

A woman hires them to photograph her husband's affair so she can collect a reward at court. They tail the couple and gather evidence, navigating the murky ethics of private eye work. The case helps boost their reputation in Hong Kong's underworld of deals.

A supermarket owner hires them to foil an upcoming shoplifting scheme. Lee uses his kung fu skills to subdue the gang, ensuring the client is paid and the case is resolved. The episode showcases their blend of combat prowess and investigative wit.

A gang led by Uncle Nine extorts a cinema mogul and floods the cinema with mayhem. Wong is injured in the chaos while Lee fights several thugs to protect others. The high-stakes showdown tests the trio's resolve and teamwork.

The gang escapes in an ice cream truck, and Lee corners and defeats several of its members. He drives the truck toward the police station, using his skills to keep order. The scene highlights his courage and resourcefulness.

At the police station, Lee hands over the captured thugs to a sergeant, earning a Good Citizen Award for his actions. The award cements his reputation and foreshadows his future independence. It also deepens the rift with Wong over control.

After his recognition, Lee starts his own agency, Cannon Detective Service. Puffy joins him, forming a new partnership and leaving Wong's fold. The split marks a new era in their private-eye world.

Months later, Wong returns to his agency to find it hollow: no clients, no assistant, and a thriving Cannon Detective Service across town. Lee's operation has taken over the market and left Wong in a defensive posture. The shift in power signals a pivotal turning point in their careers.

Lee suggests a partnership where he would take a higher share of the profits, proposing collaboration with Wong. Wong refuses, clinging to his own control and independence. The tension sets the stage for a possible alliance.

During the stalemate, Wong witnesses the snatching trick Lee had been using from the start and realises his rival's craft. This revelation changes his perception of Lee and his methods. It motivates him to rethink a potential partnership.

Lee makes a new offer to collaborate with Wong on an equal profits split. Wong accepts, setting aside pride for a practical partnership. The film ends with the two men united, at least on business terms.