I gently touched myself, sliding my fingers over my wet opening. I watched them with glee, knowing that they didn’t know I was there was such a turn...on. The guy seemed to really enjoy my step-sister and Isabel really seemed to like him too. It wasn’t long before my fingers had slipped deep inside my pussy as they had changed positions. He was fucking her from behind, doggy style. His hands on hips pounding her for all he was worth. I could hear the headboard of the bed banging against the wall.. I was having a wonderful time and the wine made me loose and free. I enjoyed dancing with Greg. He was a wonderful dancer and moved smoothly to the music. He held me quite tightly but remained a gentleman. I did notice that he was aroused some times but thought nothing of it. I had a lot of experience with men dancing and becoming aroused. It seemed to be a man thing.It was much later that I noticed that Maryanne and Jennifer had both disappeared along with William and the other man that had. She was wearing a pair of sunglasses so I could not see her eyes, but I knew she was looking directly into my eyes. She rubbed down my chest and stomach, and just as she was about to get to my stiff dick, she went to my legs. (That was my wife, such a little cock-tease) as she was coming up my legs her hands went for my crotch and grabbed my dick through my pants. She stood up took off her sunglasses and looked at me. In a serious voice she asked, “Sir what is that in your pants?”I thought that. I have three agents on the way to Christiansted right now to see if he can spot her. The police are on their way here. The last time any of the security staff saw her was this morning about nine o’clock at breakfast. About two hours ago, she carried her dishes inside the house, and now we can’t locate her.”I cursed a blue streak and then found my swimsuit, and slipped into that, some flip-flops, and an island shirt. I warned the girls on the patio about the situation and eminent arrival of the.