Happy is a Remake of the Tamil film Azhagiya Theeye. It is a Love and Comedy film Directed by A.Karunakaran and starring by Allu Arjun,Genelia.Bunny (Allu Arjun) is an orphan who works as a Pizza delivery boy. Madhumati (Genelia) is the daughter of a caste-based politician and studies MBBS. Bunny and Madhumati meet each other in a strange situation and are forced to get married in an unforeseen situation. The rest of the story is all about how this couple who never had any intention of love find soul mates in each other.