Boarding school director Baroness Bijou doesn't have it easy with her rubber playthings. Mary Jale has yet again completely lost the plot in the classroom, driving the mistress completely livid with her obtuseness. Here, hefty beatings with a cane helps. Then there are the first direct tests of the doll's vaginal receptivity. Forbidden masturbation with the Institute Director's glass dildo drives the bitch Hally crazy in the shower. The little brat then gets shown directly who's calling the shots! At the end of the day physical education is announced. Under the watchful eyes of Captain Lady Yvi and the whip of the Baroness, that rebellious rubber pony must already show what it has learned.