Doo is nicely knit story, the story begins with Vasanth (Sanjay) who works within the sub registrar workplace. He lives together with his mother (urvashi) and hangs out together with his buddies (jeeva, jegan). His life takes a flip when he meets his faculty buddy Swapna (nakshatra), a software program skilled. Very quickly, they fall in love. Nonetheless, as they get to know one another, issues start to alter and so they cut up.The story takes a flip with the arrival of Anu (sangeetha), a journalist and she or he takes a particular place in Sanjay's life. Nonetheless, each Sanjay and Swapna are unable to come back over one another's absence. What occurs after that kinds the remainder of the story.