又名：Fight Back to School
周星星（周星驰 饰）是飞虎队队长，奉命以卧底的身份到圣育强中学寻找警司于参观时被窃的配枪。周星星就算百般无奈还是接受了任务。他很快适应了学校的生活，功夫高强的他也受到了学校众多学生的拥戴，周星星也顺势调查失枪案件。警队的另一位卧底曹达华（吴孟达 饰）也参与了这个案件，最后也与同学一起合力，帮助周星星破获一踪大型军火贩卖案件。
Title：To hok wai lung Year：1991 Rated：Not Rated Genre：Action / Comedy / Crime Language：Cantonese / English Country：Hong Kong Director：Gordon Chan Writer：Gordon Chan / Barry Wong Actors：Stephen Chow / Sharla Cheung / Man-Tat Ng Plot：A SWAT team leader is forced by his captain to go undercover as a high school student to retrieve the captain's personal gun which was stolen during a school field trip to the police station.
