As Tom is about to begin the lesson one of the girls asks about the ancient art of practising Tai Chi naked. The instructor agrees that naked Tai Chi is the purest form of the art and before he knows it the girls have talked him into showing them how it is done! Determined to show the power of their concentration, the instructor and the other male student disrobe to prove how men can retain their concentration. However, as the class begins one of the girls grabs the male student's cock causing him to get an erection.