保罗是一位杰出的作家，在一次可怕的事故中失明，为了继续写作他需要招募一名助手，他聘用了为人亲切的简，来充当他的眼目，简很聪明又富有吸引力，保罗越来越依赖简，直到有一天他们关系破裂... Sir Paul, a distinguished author, blinded in a horrific accident, advertises for an amanuensis, an assistant to help him with his writing. He employs the amiable Jane Ryder to be his eyes as he revisits scenes from his past and works on what he intends to be his final opus. Jane appears to be ideal: attractive, intelligent, unruffled by her employer's abrupt eccentricities. But, gradually, we come aware that Jane has another agenda. Incrementally, Sir Paul's familiar surroundings are altered. Strange things happen around the house and he becomes increasingly dependent on his new assistant. Jane plays increasingly sadistic games until their relationship breaks down...