The story revolves around three friends Koobrin (Bharath); Tharun (Tovino Thomas); and R (Sunny Wayne ). They are the regular backbencher students who are in the college to have fun. They get into a misadventure which doesn"t help them in any way instead the three friends get dismissed from the college. However; they decided that they are not going to sit idle or do nothing but gather all the courage to give their college life another chance with a fresh beginning and that is when Mohanlal comes in the scene. What happens next is the story of Koothara. Watch Koothara movie online.