Yamla Pagla Deewana

A married man after coming across the fact that his estranged father and younger brother are spotted in Banaras, travels to the city from Canada, only to know that they have become conmen. His younger brother falls in love with a girl and then he travels with his father and younger brother to help his younger brother get his love. What follows then is a series of confusion. Will he be able to unite his mother and father?