Detective James Lee Wong must find the "Eye of the Daughter of the Moon," a priceless but cursed sapphire stolen in China and smuggled to America. His search takes him into the heart of Chinatown and to the dreaded "House of Hate" to find the deadly gem before it can kill again.
Malik Bishop is the best killer in the business, but when his crimelord employer wants his girlfriend, who may be unfaithful, eliminated, Bishop doesn't count on falling in love with the woman. Now he must choose between his heart and, perhaps, his life.
The movie takes place again in the fictional Wangan Station of the Tokyo Metropolitan Police Department the once empty space within Wangan's jurisdiction has become a popular tourist attraction. When a string of murders of company execs begins taking place, Aoshima jumps at the opportunity to pursue something other than his current case, which he finds less than inspiring. However the powers that be have other ideas, and Wangan again plays host to a special investigation team from headquarters. Aoshima's friend Superintendent Shinji Muroi, assigned by headquarters to assist Okita, is again powerless to help the local officers as decisions are made by the higher ups.
Sue Graham is a small town girl who wants to be a motion picture star. She wins a contract when a picture of a very pretty girl is sent to a studio instead of her picture. When she arrives in Hollywood, the mistake is discovered and she starts working in the props department of the studio instead. Her parents then come out to California and invest some money with a very shifty individual.
This spin-off movie provides a different contrast to the familiar Young and Dangerous films with greater character development. This time, the story's focus is on a female character - Sister 13 of the Hung Hing triad. In a triad underworld dominated by men, the film tells the story of how she faces trials and tribulations of rising to become the branch leader of Portland Street. The story shows the reasons she became a lesbian. The film also gives more details about the Tung Sing triad, and how the relationship between Sister 13 and Ben Hon develops.
The oldest son of the White Tiger Gang is pressured by his family to settle down and get married; but when he finds the perfect girl, she turns out to be a state prosecutor for crimes of violence, specifically gangster related. The district attorney is a look-a-like of the gangster's former fiancee who died getting hit by a truck. Their feelings develop for each other but her co-worker turns out to like her as well. She does not like him so the latter turns to the darker side of the law, by conspiring with the rival Axe Gang. Unfortunately for him, the mafia son has more that a few tricks up his sleeve and gets support from his dim-witted brothers and henchman.
Asuka is an aspiring model who moves to Tokyo to pursue her career. She moves into a small apartment with a friend of a friend, Kasumi. A bizarre murder occurs in the hotel across the street. The body was mutilated and repositioned into a lurid work of art. After this, a string of murders start happening all around the two girls, as if some crazed serial killer was following them. At the scene of each crime, the perpetrator leaves a black lip print, and is subsequently dubbed "The Black Kiss.
On the eve of her wedding, Hitomi loses her fiance Tatsuya to a car accident. She travels to Hong Kong seeking solace and meets undercover cop Karbo — a dead ringer for Tatsuya. The duo is forced to take it on the lam when a corrupt colleague frames Karbo, and Hitomi soon finds herself torn between her love for Tatsuya and her blossoming feelings for her fellow fugitive.
Treasury Department officials recruit a florist (Raft) to lead them to a wanted criminal (Macready); but once he gets too close, he finds he's the hunted.
In the second film of the series (and not a second part of anything), Gay Lawrence, aka The Falcon, is about to depart the city to marry his fiancée, Helen Reed, when a mystery girl, Rita Mara, asks for his aid in disposing of a secret formula for making synthetic diamonds. He deliberately allows himself to be kidnapped by the gang for which Rita works. His aide, "Goldy" Locke, trails the kidnappers and brings the police. But the head of the gang escapes, and the Falcon continues the pursuit.