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

Billu has mentioned to his family that he knows Sahir from the past but has never elaborated how he knows the star. When his children talk about their father's friendship with the...