A young woman encounters a naked man who is blindfolded and tied up in a deserted place. Before she unties the rope, there is one thing to check. Is that man's penis rock hard? What to do with that throbbing penis is up to you... Why is this man naked and tied up? Why does his penis have an erection in this situation...? Five women who don't even know what's going on end up caring for and serving the restrained man!