Monica Bradon, a happily married physician, is completely unaware that her husband John is having a love affair with her good friend, Mary. John and Mary end their relationship out of guilt, but when Mary faints during a party they are all attending, Monica learns that her friend is pregnant. Mary refuses to disclose the father's identity, but begs Monica to help her. Monica, who desperately wants a child of her own, personally handles Mary's medical care. As Monica is preparing to deliver the child, she overhears Mary telephone John and realizes the identity of Mary's secret lover. Although Monica is stunned at the news, her close friend Anna reminds her of her duty as a doctor, and Monica delivers Mary's baby. Anna encourages Monica to forgive and accept John, but Monica feels that with the birth of the child, he now belongs to Mary. Before Monica gives him up completely, she goes with him on a romantic vacation, after which she tells him that she knows his secret and that the only solution is that they divorce. Meanwhile, Anna convinces Mary that she must relinquish John, and in response to Anna's advice, Mary commits suicide by flying her airplane into the sea, leaving the baby's future to John and Monica.