Roxy絆倒了一個性工作小冊子，因為她和她的丈夫Joe在臥室裡有一些問題，所以很有趣。誰參加了方程式的性愛者？尼基奔馳Nikki通過一些動手練習將手弄髒，最後將這對夫婦變成了性愛者。
Professor Ray catches Roxy Summers and Tristan cheating and threatens to flunk them, but Tristan's not worried. She's done this before and knows she won't fail. Plus, she's willing to share her wisdom with Roxy ... and the prof, too.
