ed ▁woman ▁who ▁is ▁st alk ed ▁by ▁a ▁psych op ath ▁while ▁stay ing ▁at ▁her ▁family ' s ▁rural ▁estate . ▁ ▁Plot ▁After ▁being ▁blind ed ▁in ▁a ▁horse ▁r iding ▁accident , ▁Sarah ▁( M ia ▁F arrow ) ▁vis its ▁her ▁uncle ' s ▁stat ely ▁home . ▁Out ▁on ▁a ▁date ▁with ▁her ▁boy friend , ▁Steve ▁( N orm an ▁E sh ley ), ▁she ▁esc apes ▁the ▁fate ▁of ▁her ▁relatives ▁( D or othy ▁Al ison , ▁Robin ▁Ba iley , ▁and ▁D iane ▁Gray son ), ▁who ▁are ▁murder ed , ▁along ▁with ▁the ▁gard ener , ▁at ▁their ▁home ▁by ▁a ▁psych otic ▁k iller . ▁Sarah ▁returns ▁from ▁her ▁date ▁and ▁sp ends ▁the ▁night ▁in ▁the ▁house , ▁una ware ▁that ▁three ▁of ▁her ▁family ▁members ' ▁corps es ▁are ▁stre wn ▁about ▁the ▁house . ▁ ▁Sarah ▁eventually ▁disco vers ▁the ▁bodies . ▁She ▁also ▁disco vers ▁a ▁bra ce let ▁containing ▁an ▁eng ra ved ▁name ▁on ▁it , ▁which ▁she ▁correctly ▁assumes ▁belongs ▁to ▁the ▁k iller . ▁The ▁k iller ▁– ▁whose ▁face ▁is ▁only ▁shown ▁to ▁the ▁audience ▁in ▁the ▁film ’ s ▁last ▁scene ▁( other wise ▁he ▁is ▁shown ▁almost ▁exclus ively ▁from ▁the ▁kne es ▁down , ▁we aring ▁je ans ▁and ▁distinct ive ▁le ather ▁bo ots ) ▁– ▁returns , ▁searching ▁for ▁the ▁lost ▁bra ce let . ▁He ▁disco vers ▁Sarah , ▁who ▁man ages ▁to ▁fle e ▁on