Director: Prakash Kovelamudi
Writer: Kanika Dhillon
Cast: Rajkummar Rao as Keshav Kumar
Kangana Ranaut as Bobby Grewal
Jimmy Shergill as Shridhar Awasthi
Amyra Dastur as Reema Kumar (nee Agnihotri)
Amrita Puri as Megha Kumar
Kanika Dhillon as Sita
Brijendra Kala as Officer Ram Pandey
Satish Kaushik as Officer Durjan Deshmukh
Lalit Behl as Uncle
Hussain Dalal as Varun Bahl
Bobby is a strange wealthy young woman living alone in Mumbai and working as a dubbing artist. In childhood, she had interfered in a fight between her parents, causing them to fall off the terrace to their deaths. When a producer touches her at work, she reacts by slicing his nose with a knife. She is then sent to an asylum. Her uncle manages her property and offers her house as a rental to a young married couple. Keshav is the husband to Reema. Bobby is obsessed with the couple and spies and stalks them constantly. Reema dies in a fire in the kitchen when a bottle of pesticide explodes. Bobby suspects Keshav and tries to get the police to investigate him but they find no evidence. She hallucinates Keshav threatening her and hits him with a chair in front of the police. She is put back in the asylum. It is revealed that she is imagining things; during electric shock treatment, she remembers that she threw the pesticide on the wife because she hallucinated a cockroach on her.
Two years later, Bobby is taking her meds but not leaving her house. Her cousin in London arranges for Bobby to be an understudy in a re-imagining of the Ramayana that she is helping design. When Bobby meets her cousin’s new husband, it turns out to be Keshav. Keshav warns his wife that Bobby is not stable but his wife does not believe him. Bobby starts to lose herself in the character of Sita that she is understudying. She believes Keshav is Raavan and it is up to her to defeat him. Keshav panics and reaches out to her old boyfriend, Varun, who confirms that she obsesses over things and had imagined him to be a criminal. He breaks into her house and finds boxes of photos with Bobby photoshopped in instead of Keshav’s wife. A photo of Keshav’s wedding to her cousin proves that Bobby knew beforehand that they were married.
Keshav confronts Bobby. The next morning, he tells his wife that Bobby tried to kiss him, and she in turn tells his wife that he tried to rape her. When she later sees Keshav backstage, she grabs an ax and chases him, cutting a rope that sends a light falling. Afraid she has hurt someone, she goes on the run and gains three hallucinatory friends. They take her to a library, where she researches Keshav and thinks she has found evidence that he is a serial killer who takes on new identities and kills his wives. She returns to the house to confront him, dressed as Sita, ties up her pregnant cousin and when Keshav arrives, threatens him. Keshav tries to reason with her before revealing that he IS indeed a serial killer. He even killed his first wife, throwing the match on her after Bobby covered her in pesticide. Bobby fights him and she and her cousin are both saved when Keshav is burnt alive in the same manner in which his victims burned to death. At the end, she strides down the street in London surrounded by her hallucinations proudly declaring that she is what she is and will not change.