Doctor Livingstone, a court-appointed psychiatrist, is asked to determine the sanity of a young nun accused of murdering her own baby. Mariam Ruth, the Mother Superior, seems bent on protecting Sister Agnes from the doctor, and Livingstone’s suspicions are immediately aroused. In searching for solutions to various mysteries (Who killed the baby? Who fathered the child?) Livingstone forces all three women, herself included, to face some harsh realities in their own lives, and to re-examine the meaning of faith and the commitment of love.