Sarah had always been close with her son, Ethan, but lately things had started to change. He was 18 now, a man grown, and she could see the way he looked at her with a hunger that made her stomach flutter.

She tried to ignore it, telling herself that it was just a phase, that he would grow out of it soon enough but when he suggested they take a road trip together, just the two of them, she found herself saying yes.

They loaded up the car and hit the road, singing along to classic rock songs ...