Alan and Kate Marlowe are a typical, loving, middle-class couple, with four young children. But they wish they had just one more, a beautiful baby daughter. So when a strange young woman abandons her infant at their house, they view it as a blessing-a godsend-and adopt little Bonnie as their own.



But it is not long after Bonnies arrival before terrible things begin to happen to the Marlowe family, beginning with the death of their son Matthew. As the tragedies mount, Alan starts to suspect Bonnie and fears he may be losing his grip on his sanity. After all, surely such a small,...