Brothers David and Mark McCune are both in love with Dianne Parker, their neighbor who has been living with her mother Hannah since the death of her father when she was 17 years old. Although David treats her better, Dianne falls in love with Mark. They soon marry and it does not take long before she finds out she is pregnant. But their happiness is short-lived when their doctor announces that the child will have severe genetic abnormalities. Not wanting a less-than-perfect child, Mark orders Dianne to have an abortion. Dianne refuses and Mark leaves her.