When Carrie Morgan's young son is snatched from the backseat of her car, she prays for one more day with him. Months later, she comes home to find Ben safe and sound in his crib. But the next day he's gone again, and the police suspect her involvement. Carrie is convinced that Ben is dead and that his brief return was a miracle sent to help her move on. Her husband, however, fears that she is descending into madness.