A older couple in their 50's goes on a vacation with her sister, also in her 50's but single. They go to this nice quiet resort town area, just to do some walking, shopping, eating out and site seeing. Of cause enjoying the hot tub, and pool. Then the husband starts hinting, and getting extra friendly with his sister-n-law. The hot 4 day vacation turns into some hot 3sum sex with the husband, his wife and her sister. The husband gets to fuck his wife and her sister, and is blown away watching the two 50+ yo sisters having lesbian sex.