Life Partner is a comedy based on the institution of marriage. The film is about three close friends, each one having a different perspective about marriage. Govinda plays a divorce lawyer in the film who doesn't believe in marriage and is a Casanova of sorts. Fardeen Khan plays a character for whom being in love matters most and Genelia D'Souza plays his love interest. Tusshar Kapoor plays a Gujarati who believes in the system of arranged marriage and Prachi Desai plays his Gujarati wife.