Life Partner is a romantic comedy-drama. Two close friends Karan (Fardeen Khan) and Bhavesh (Tusshar Kapoor) live in Cape Town, South Africa. Karan marries his girlfriend Sanjana (Genelia D’Souza) and Bhavesh marries Prachi (Prachi Desai). Everything goes fine for these two couples initially, however, they soon start facing problems. They hire a divorce lawyer Jeet (Govinda), a womanizer, for legal counsel who does not believe in the institution of marriage. However, Jeet meets someone and has a change of heart. Now, will this change in Jeet motivate him to reunite the lovers?