Vikram Sethi (Siddharth Malhotra) is a renowned UK based author who visits India to launch his upcoming book. But before his novel could hit stands, his wife Katherine (Kimberley Louisa McBeath) is found dead. Vikram calls the cops but instead of finding the culprit, they arrest him as the prime suspect. Fearing the scenario, he flees from the scene and accidentally barges into a complete stranger Maya's (Sonakshi Sinha) home. In an unexpected turn of events, Maya's husband is also found dead in the apartment. Maya accuses Vikram of murdering her husband and police books him in a double murder case. Soon, Inspector Dev (Akshaye Khanna) is assigned the case and he begins his investigation. Vikram and Maya both are suspects and who have narratives about the two murders! Will Dev ever be able to catch the real cuprite?