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Cruising meets Police Academy in this flagrantly politically incorrect yarn directed by stocky kung fu master Sammo Hung. The film opens with the streets of Hong Kong being terrorized by a serial killer targeting gay men. Wisecracking veteran cops Jeff Lau (Hung) and Alan (Alan Tam Wing-lun) are assigned to go undercover as a gay couple and ferret out the killer. After hitting the bars, the two stumble on not only a few leads but also a few propositions. Meanwhile, Jeff falls completely head over heels in love with the beautiful Chen-chen (Joan Tong Lai-kau), which threatens to blow his cover. Worse, after Jeff's partner and Chen-chen get loaded on spiked champagne, they wind up in the sack.