In London, four years later in their marriage, Tanu and Manu visit a mental rehabilitation center where they start bickering at each other. Because of Tanu’s various allegations, Manu gets enraged, and is later taken by the doctors into custody suspecting his mental health. Tanu’s friend Payal calls her from India and tells Tanu that she gave birth to a baby girl. Being alone at city, Tanu decides to return to her hometown, Kanpur. While leaving London, Tanu rings Manu’s friend Pappi in Delhi and tells him to come to London and release Manu.
In Kanpur in her parents home, Tanu finds a crafty law student called Chintu has become a lodger who refuses to pay or leave. Chintu befriends Tanu and slowly develops a crush on her, being bemused by her antics. Tanu also comes to know that her ex-boyfriend, Raja Awasthi (Jimmy Shergill), is getting engaged to another girl. Pappi reaches London and gets Manu out and they reach India, where Manu sends a legal notice to Tanu to make her apologize, but she does not respond.
One day Manu goes to Delhi University to give a medical speech, where he sees Kusum, a young Haryanvi student-athlete, who looks like Tanu. He slowly gets obsessed with Kusum and keeps following her despite Pappi’s warning. One day after Kusum confronts them, Manu tells her about Tanu. Kusum sympathises and they gradually develop feelings for each other. Manu tells Kusum he wants to marry her and meets Omi, her elder brother. Omi has no issues with Manu but shows a picture of the boy his wife wanted Kusum to marry, who turns out to be Raja. Payal calls Tanu and confides that her newborn baby’s father is not her husband Jassi.