 Both Rhea (Rani Mukherjee) and Karan (Saif Ali Khan) meet on a flight from Mumbai to New York as both are going to study there. On the flight there they meet, talk however Rhea finds Karan s fresh attitude disengaging and when he kisses her they part on angry terms. Than they continue to meet over the years including in New York and when Rhea is getting married. Karan and Rhea s relationship develops as their meetings continue - will they end up together?