Life Partner story is about two couples and an individual. First is Karan Malhotra (fardeen) who gets married to Sanjana (Genelia) and theirs is a dreamy love story heading towards marriage. Then there is Bhavesh Patel (tusshar) who dreams of a love marriage but has to listen to his parents and is all set to get married to Prachi (prachi). Now, Prachi has to ensure that she fulfills her duties as an obedient daughter in law before she becomes a wife. All this apart ,there is the famous Jeet Oberoi (govinda) who is a lawyer specializing in granting divorces to his clients in a record fashion. For him, marriage is just fiction and end to all happiness. However, destiny has something else written for the trio and their paths cross at one point of time. What happens from there forms the rest of the story.