In this episode, after an odd, but brief visit to the Hotel of a local celebrity and a touching scene with Kali at the Hot Springs, Big John proceeds to implement the first major expansion... to the premises - the Dungeon, cleaned up and restored after a period of disuse and now ready to accept its first clients. Luckily, by this time all the four girls have been physically and psychologically prepared to accept their lover and master's invitation to participate with him in certain playful (and fairly lightweight) BDSM activities, such as little teasing games in which the girls have to refrain from cumming under fear of being punished (which they still get anyway). As Lin, Kali, and Ashley seem perfectly happy to embrace this dark and naughty side of their personalities, Big John gets ready to enjoy several busy days of housetraining his obedient sluts...