That thought only added to my excitement. Jim looked at the clock. It was now 2:53 p.m. I heard a car pull into our driveway. I wanted to run to the w...ndow and see who was there, but I knew that I must remain here with Jim. I simply nodded, removed my robe and stood nervously staring at the terry cloth tethers and the ottoman, as I imagined the image I would present to my husband and the unidentified invader who drove me to a powerful climax two weeks ago and his anonymous accomplice. I cannot. We got a special presidential clearance with high level military security. We were really in despair when one of our observers came back and said that when he left, it was a male president- not female as we know."Bridgett said, "I was the lead scientist of the new program. And it was I that discovered that the high incidence of time waves originated from a location in Florida. And it was centered upon one individual- YOU!" Yes my sweet Marian," Bridgett said with fondness. "You are the nexus of. Yes, I will do anything you wish, without qualification. That’s what it means to be submissive to a Master or Mistress.’ ‘Does that mean I’m your Mistress?’ Denise wondered aloud. ‘Yes, that was my gift to you. I am Mistress Denise’s submissive for the weekend, until Monday morning when Master Ken retrieves me.’ Denise suddenly understanding what Max had given and was now offering her, with as much authority as she could muster, instructed her friend and submissive for the weekend, ‘Thank you. After a few minor position changes, to make things easier, they went back at it. Erin thought it was easier to suck Frank's cock with her on top although she still couldn't get the whole thing in her mouth. The new position made things easier for Frank too after Amy put a small pillow under his head. Now he could lick Erin from clit to asshole.Frank could feel his sap rising and knew he would have to finish off Erin off soon. He sawed a finger in and out of her pussy while he sucked and tongued.