While vacationing in Paris, King Kong is kidnapped by a British agent called James, who seeks to recover one of the stolen crown jewels, the Star of Fortune, supposedly at the request of the Queen of England. The jewel is hidden at the Hong Kong Police Headquarters and Kong will have to steal the jewel without his partner-in-crime, Detective Albert 'Baldy' Au, finding out. When James' devious intentions are revealed and Baldy and his wife, Supt. Nancy Ho, discover Kong's heist, Kong finds himself at a crossroad.

A private investigator and a police inspector team up to pursue a notorious mobster, who is plotting to milk an old millionaire out of his highly-valued stocks and bonds. Along the way, the investigator crosses paths with a femme fatale and silly gangsters.

A widower named Baldy (Karl Maka) longs for his lovely neighbor, but is unable to summon the courage to tell her until another man enters the picture and forces his hand. Knowing that Mak, the middle-aged newspaper editor, often misses his late spouse, his beloved children persuade him to date Siu Fung, the singer who lives next door. At this moment, Siu Fung's cousin, Uncle Sam, returns from the States and proposes to marry Siu Fung. One day, dispute happens between Sam and Mak which makes Siu Fung mad with Mak..