My Cuckold Wife #3: The Raw Deal

TWO COUPLES AND A BULL! My cuckold wife is an insatiable slut, so I always find ways to please her. After dinner, bar-hopping, and dancing with a married couple, I convince them to follow us to a swinger's club and then back home for more fun. As the party heats up, a knock at the door signals the handsome dealer from the club's casino. What will happen when two couples add a fifth to the party?