Man gives hitchhiker a lift home-and is shocked by the news the next day

 "Um... well," Carter stuttered, trying to find a response. But before he could say anything, Tara burst out laughing, her laugh light and mischievous. "I was just kidding," she said, laughing, "but I'm not going to answer your question. It's a secret." Instead of reassuring Carter, her playful tone made him feel uneasy.Carter tried to laugh it off, but a strange feeling settled in his stomach. The girl's happy-go-lucky attitude suddenly seemed out of place, she no longer seemed as innocent as before. In fact, she was beginning to give off an unsettling vibe. Trying to shake the feeling, he turned his attention back to the road, checking the time on the sat-nav screen.