I Spit On Your Grave (1978) (Aka Day Of The Woman) (UK-import)
Notorious rape-revenge movie, banned in the 1980s as one of the original 'video nasties'. City-dweller Jennifer Hill (Camille Keaton) hires an apartment in the country hoping to find the solitude she needs to finish her novel. What she gets instead is the violent attentions of a bunch of backwood locals, who rape her and leave her for dead. But Jennifer survives and returns to exact a terrible revenge on her attackers.