The Accidental Bride

She goes to attend a wedding,  but ends up being the bride......
  Priya, a sweet beautiful girl, has a huge crush on Rahul inspite of the fact that he always ignores her. She still has eyes only for him. Her heart gets shattered into thousand  pieces when she gets to know that Rahul is getting married to his girlfriend.
But she still goes to attend his wedding. What happens next???