Cass has finally got her life in order, she is happily married and works as a teacher. But one rainy night on an unlit forest road, something happens that turns her life upside down. Paralyzed by remorse, she forgets where she left her car parked, whether she took her pills or that she made an appointment. All he has in his head is confusion and a dead woman he might have saved. is he crazy Or is her mind playing tricks on her?