Isis comes to Mr Henderson asking for some help in focusing. He suggests a thrashing, which she agrees will help her to focus like it did when she was younger. Her bottom is bared and she is hand spanked and then made to get on all fours as multiple straps are whipped across her bare deserving flesh. The naughtiness of it all gets to her, and she starts to touch herself as she is being strapped. As her bottom gets redder, she gets wetter. It certainly provides her the motivation she secretly needed.