Rahul (Shahrukh Khan) has just lost his wife, Tina (Rani Mukherjee), due to childbirth. His daughter, Anjali (Sana Saeed) and his mother (Farida Jalal) is all he is left with. Tina has left eight letters for her daughter to read on every birthday. The eighth one is the most important. Anjali reads the letter and Tina discusses in the letter about his best friend, Anjali (Kajol). There is an important task that Tina has asked her daughter to carry out.