Katti Batti is a romantic comedy-drama that revolves around a young couple, Madhav ‘Maddy’ Kabra (Imran Khan) and Payal (Kangana Ranaut). The two have been in a live-in relationship for 5 years despite having different lifestyles, habits, and outlooks. However, after five years Payal suddenly leaves Maddy for no reason. His friends try to convince him to forget Payal and move on, but he finds it hard to forget her. Maddy then tries to find Payal and win her back, but he learns of a shocking secret of Payal that changes his life forever.