Dr. Sudhir (Feroz Khan) returns from the UK after his father's death to take care of the family business. To decorate an empty section of a room, Sudhir buys an old piano from a local shop. Weird things start happening after he buys the piano. He meets a mysterious woman, Maria (Tanuja), who tells him that while he can play the piano as he is the new owner, he should not let others play it. The first person to play the piano against her advice dies as soon as she has finished playing. Soon, a long time house-servant dies and Dr. Sudhir is a suspect. Complicating the situation is a local businessman Shankarlal (Madan Puri), who is planting false evidence to implicate Sudhir. Sudhir's assistant Rocky suspects that Shankarlal is trying to set him up, so he concocts a plan with the police to catch him red-handed. Sudhir's friend and his wife visit him and they record Maria's song and they are shocked to see that the voice wasn't recorded. Sudhir visits Maria's house and while returning he is attacked by Maria's father (Jeevan). When he regains consciousness, he is at his home and his friends tell him he was in a car accident. He goes back to the spot to retrieve his car where Shankarlal