Karen felt her heart racing as she drove towards the park. She had met Charles a few months ago. He was in his 60s, but something about him had captivated her. She was in her 40s now and found herself texting and calling him like some doe-eyed schoolgirl. He had warned her that he was a dirty old man, and their messages had become gradually more erotic. This only added to her fascination with him and what he would push he...