Sweety(Anushka) is a cute looking girl who suffers from overweight issues. Even after so many attempts, her mother fails to get her married. Disappointed with rejection all the time, Sweety decides not to marry in the near future.This is also the time when she meets Abhi(Arya), an NRI who makes documentary films. Sweety falls in love with Abhi and starts getting closer to him. Twist in the tale arises when Abhi starts shifting his loyalties towards his stylish close friend Simran(Sonal Chauhan).Disappointed with rejection yet again, Sweety decides to join a weight reducing program called Size Zero. Will Sweety be successful in reducing her weight ? What problems does she face during this time ? and Will she win her love back ? That forms the rest of the story.