Sulochana (Vidya Balan) is a happy-go-lucky housewife who is leading a happy life with her husband Ashok (Manav Kaul) and son. Being from a middle-class family, the lady expects more from life. Soon, fortune smiles on her and she gets a late-night Radio Jockey job at a popular radio channel, Wow, headed by Maria (Neha Dhupia). After a lot of apprehensions, she finally takes up the work and starts an exhilarating journey as a Radio Jockey. Initially, everything goes smoothly for her but soon it starts taking a toll on her family life. Then comes a point where Sulu has to choose one, family or her job. What will she choose? Will she quit her job for her family?