Virginia was my high school French teacher. She invited me to her place to fix a wardrobe door in her bedroom. I finished up fixing more than her door that day. Her identical twin Valerie got to feel everything that Virginia experienced so she wanted first hand experience too. I learnt later that the twin sisters were actually educating me in preparation for dating and fucking their younger sister Simone.
Sue and her husband have Tom come to do some work around their house. While the husband is out of town, Sue treats Tom and he realizes in the end that his whole job was to "do Sue".