Madhav Jha (Arjun Kapoor) is a Bihari lad falls for his college mate Riya Somani (Shraddha Kapoor) who is an elite Delhite. They become friends over Basket Ball and start hanging out. Madhav's attraction now turns into an obsession for Riya and he can't but want her in his life. Although their lives are poles apart, Madhav imagines Riya to be his wife but instead, she chooses to be his Half Girlfriend.

Riya drops out of college to get married to Rohan, who is a rich family friend. Madhav who seems to be in depression, completes his college and heads back to his village Simrao, Bihar. In Simrao, his mother runs a school and Madhav lends a helping hand for it to grow. Fate makes the two meet again, Madhav encounters Riya who is a divorcee now, in Patna. Their fondness grows again but destiny plays the trick leading to their separation one more time. Madhav who is in immense love does not lose hope and heads even to New York to find his lost love. Will he be able to make Riya his full girlfriend this time?