Maureen Ross, well past a safe childbearing age, is experiencing a difficult pregnancy. Her husband, Troop, cold and careless of her condition, is an emotional cripple who has battered her spirit throughout their marriage. As Maureen's time grows near, she becomes convinced she will die in childbirth. Into this loveless ménage arrives Mary Oliver, Troop's niece. The sheltered child of a well-to-do, freethinking Washington family, Mary comes to help Maureen in the last weeks of her confinement. Horrified by Troop's bullying, she soon discovers that her true duty is to protect her aunt.