健美班女教练阿芝（梅艳芳 饰）和隔壁的私人侦探阿佐（万梓良 饰）是一对欢喜冤家，两人一见面便口角不断，笑话连连。 某天，四个劫匪抢劫了富商曹先生的名贵钻石，逃亡途中阴差阳错将钻石掉到了阿芝那里。一无所知的阿芝随后遭到劫匪们的追杀，最终被绑架而去。渐渐喜欢上阿芝的阿佐眼看心上之人身陷虎口，懊恼不已。幸亏其助手IQ博士送给阿芝的防狼器中藏有跟踪器，二人一路追踪到劫匪的藏匿窝点。却不知，阿芝几经周折已脱身而出。但穷凶极恶的劫匪怎肯罢休，誓要得到钻石为止，而他们的背后似乎又有个黑手暗中操控……好朋友请他当自己的精子捐赠者，他还遇到了一位与外星球有联系的女子，这名喜剧演员从此找到了人生的新意义Housefull 4 is an upcoming Indian comedy film directed by Farhad Samji, and produced by Sajid Nadiadwala under the banner of Nadiadwala Grandson Entertainment. The film is the fourth installment of Housefull.[1][2] The second to be directed by Farhad Samji who also directed the third installment.[3] Nadiadwala claimed that the film will be the highest budgeted Indian comedy film.[4][5][6] The film is slated for a Diwali 2019 release.[7]
