The film revolves around the lives of two young friends, Aditya "Adi" Shrivastav (played by Shah Rukh Khan) and Jalebi "Jal" (played by Priyanka Chopra), who have been inseparable since childhood. As they grow older, their friendship blossoms into something more, but they struggle to express their feelings to each other. The story takes a dramatic turn when Adi and Jal get married to other people, but their bond remains unbroken.