Anna, unhappy after breaking off her engagement to the charming Bruce Grayson, leaves the city to teach in a Wiltshire village. However, she faces new problems and tensions when she becomes involved with the family at Mill House: Guy Deering, an embittered widower, his bored sister and his difficult child, Peter. How did Bruce and Guy know one another? What was the mystery surrounding Helen Deering's death? When Anna finds the answers, she also finds love and happiness.