The movie revolves around the life of Billu (played by Shah Rukh Khan), a humble barber who lives in a small village. Billu's life takes a dramatic turn when his childhood friend, Aisha (played by Ayesha Takia), returns to the village with her husband, Bunty (played by Akshaye Khanna). As Billu and Aisha rekindle their old friendship, a series of events unfolds that tests Billu's relationships, loyalty, and identity.