There are two amazing-looking girls, Xenia and Elvina. Despite being remarkably good-looking, these two really have nothing to do with their free time. Xenia suggests stripping half-naked and tying each other up. Obviously, a girl as perverse as Elvina would agree to do something along those lines. She ties her big-breasted girlfriend up and uses a tape gag to add an exclamation point to that.
Then she decides to impress her immobilized girlfriend with her revered selfbondage skills. In order to do that, she has to go topless first. Awesome! Clearly, there's something to be said about Elvina and her expertise. The girl ends up in a hogtie position next to her helpless friend. Who's gonna untie them afterwards?
This question kind of gets answered immediately afterwards. There's a burglar dressed in all black that shows up at the worst possible moment to see both girls half-naked and bound. He uses this opportunity to play around with their barefeet and add some interesting intricacies to their bondage predicament.