Ek Thi Daayan is a supernatural thriller movie. The movie revolves around Bobo (Emraan Hashmi), a famous magician, who is all set to marry his girlfriend Tamara (Huma Qureshi). However, Bobo often experiences hallucinations and sees his dead sister. He finally seeks the help of a psychiatrist. Bobo lost his father and sister when he was 11-years-old and he believes that the witch was behind the two deaths. Troubles ensue in Bobo’s life when the same witch returns to haunt him yet again.