The Thing Beyond Reason : What Happened with Caroline Enderby?

The story's protagonist, Lexy Moran, gets to know Caroline Enderby as she is a young lady with a flawless reputation. Her mother watches her like a hawk to guide her inappropriate suitors and protect her from scandals or compromising situations of any sort. The shock comes when Caroline doesn't come home one night. What is more strange to Lexy is that her mother doesn't seem worried about the situation, although it looks like Caroline escaped with an admirer. But how was it possible for a shy girl living in tight discipline to find a man or arrange a marriage? Who is the strange guy coming the next day searching for Caroline, and why is her mother so calm upon the situation? These are the matters for Lexy to investigate.