The Past.

The movie chronicles the life of Simran, a young and upcoming novelist, who, one day, receives a call from Yuvraj, an owner of a publishing house. He asks Simran to write a book on a plot idea he has, for which, she, along with her younger sister, Alia, goes to their Lonavala bungalow. The arrival of the sisters triggers the onset of some deep, dark secrets of the past.