The film is a sequel to Tanu Weds Manu (2011), in which stars Kangana Ranaut (Tanu) and R. Madhavan (Manu) reprise their roles from the original. Tanu and Manu's marriage collapses. What happens when Manu meets Tanu's lookalike Kusum - and when Tanu returns? Kangana Ranaut also portrays the additional role of a Haryanvi athlete Kusum in the film.