A man, his wife and a good-looking stranger are stranded on a desert island. The wife quickly loses interest in her husband and begins flirting with the good-looking stranger. The three start to build a watchtower. The stranger offers to take first watch. While the husband and wife gather driftwood on the sand, the stranger yells, “Hey! No sex on the beach! Get back to work!” The husband yells back, “We’re not having sex!” Later, the stranger yells out to them again...