Billu (Irrfan Khan) is a poor barber who lives with his wife Bindiya (Lara Dutta) and their two children, Gunja (Mitali Mayekar) and Ronak (Pratik Dalvi) in the village of Budbuda. He also spends time with his close friends Budbudiya (Rajpal Yadav) and Naubat Chacha (Asrani). Though struggling, Billu lives an uneventful life until Bollywood superstar Sahir Khan (Shah Rukh Khan) comes to the village for a film shoot.