Love with Cloud(1981)

Wong Chi-chae, an ambitious young doctor, is secretly in a relationship with Cheng Yuh-hsya, a nurse. When the president of the hospital selects Wong to be his daughter's suitor, the doctor breaks off his relationship with Yuh-hsya, who reveals that she is pregnant and determined to keep the child. During a heated argument, Wong kills Yuh-hsya and hides her body in a well. He then begins to lose his grip on reality. Has he truly become the victim of Yuh-hsya's supernatural revenge?