OK Jaanu is a romantic drama and a remake of Mani Ratnam's Tamil hit film O Kadhal Kanmani. The movie revolves around two ambitious people, Aditya ‘Adi’ Gunjal (Aditya Roy Kapur) and Tara Agnihotri. The two meet at a wedding and instantly strike a chord over their mutual presumptions for marriage. Soon, their meeting by chance turns into a no-strings-attached live-in relationship. They have the best time and find solace in each other’s company. However, the problem ensues when their careers pull them apart and they must choose between love and career.