In this shocking tale, a sudden tragedy befalls a beautiful big-breasted office lady when she's attacked from behind by mysterious hands that tighten around her throat, rendering her unconscious! She awakens to find herself imprisoned in a derelict building, bound and defenseless against the sadistic strangler who now has her at his mercy. As he chokes her senseless over and over again, depraved onlookers gather to witness her agonizing ordeal with sick delight. Some even go so far as to ejaculate inside her while brutally assaulting her helpless form. Reduced to nothing more than a mindless sex slave and plaything for these twisted individuals' pleasure, the once proud woman endures relentless abuse until all that remains is a broken shell of her former self...