Old Imagine the crime scene of a gruesome murder, no apparent motive, a dumb inspector, a witty intelligent assistant, no crime suspects, and two individuals, each owning to be the killer.
Jay and Priyanka plan to marry each other as soon as their dream home is a reality. The duo has invested in an apartment and is awaiting possession post the money, which is remaining to be paid. To make the payment quickly Jay suggests Priyanka take up a job as nurse to his single, middle aged boss, Mr. Diwan.
Jay and Priyanka's dream of owning a home is shattered when they realize they are duped by the builder and all their money is gone. Out of frustration and as per Jay's suggestion, Priyanka reluctantly marries Mr. Diwan who has only four of months left to live as he is suffering terminal illness. Mr. Diwan's mother proposes their marriage. Mr. Diwan is not sure about marrying a girl much younger to him but agrees finally.
Life is never as simple as we think and all goes topsy turvy when Priyanka comes to know that Mr. Diwan's mother has terminal illness instead of Mr. Diwan himself. Things get complicated when Mr. Diwan is murdered. The plot thickens with both Jay and Priyanka owning to be the murderers.