Horn Ok Pleassss promises to be a laugh riot. This hilarious comedy revolves around a down-to-earth truck tycoon. Govinda (Nana Patekar), who loves his wife (Rimi Sen) dearly.
Being a great believer in love, he saves the life of a heartbroken suicidal photographer Ajay (Muzammil Ibraim). On learning that the boy loves a married woman, he advises him to kill the husband and chalks out the muder plan himself. Little does he know that he is cheating out his own end since Ajay is in love with Govinda's wife? More confusion follows when Ajay's look-alike, Rocky, appears in the scene. Thereafter it's madness. Will Govinda be able to save himself from his own murder plan? Will Ajay succeed in getting the love of his life?