Beware of the Stranger

Samantha's experience with men as the daughter of tycoon Reuben Gentry had been disillusioning.
But she'd gone willingly to Chris Andrews's home miles from anywhere on an island in the St. Lawrence, expecting her father to join her there. Suddenly she realized she was subtly, but surely, being held prisioner there. Where Chris's calls to her father about ranson? Was he really Chris Andrews?
Samantha knew she had to escape. But the thought of never seeing Chris - or whoever he was - again, filled her with desolation...