Chetan Bhagat's latest novel, 'The Girl in Room 105', is described as an 'unlove story' that combines elements of romance, mystery, and tragedy, diverging from his typical comedic style. The plot follows Keshav, an IIT graduate who rekindles a connection with his ex-girlfriend Zara, leading to unforeseen and life-altering consequences. The story also tackles socio-political themes such as communal tensions and terrorism, offering a fresh perspective in Bhagat's writing.