Hyderabad Love story

Bhagya Lakshmi falls head over heels for Karthik. She tries hard and somehow wins over Karthick. When everything seems to be going fine between the couple, Karthick's ex-lover, Vaishnavi come into the scene and disrupts the love story. Why did Vaishnavi come back into Karthick's life? What problems did she create and how does he come out of this mess? That forms the rest of the story.