Sailaab (1990)

Krishna has lost his memory and is under Dr. Sushma's treatment. Unbeknownst of his identity and past, Krishna feels helpless but finds acceptance and love from Dr. Sushma. Very soon they get married. Soon after marriage, Sushma gets a phone call from police inspector Ranjit, who warns her that her husband is out to kill her, but she disregards this warning. One day, Krishna after a fall regains his memory and attacks her. Sushma is shocked beyond belief, and is unable to comprehend anything as to what harm she has done to this young man, who is out to kill her.