在这部沉默悬疑/惊悚片中,雷切尔被妈妈留在地下车库的汽车中，却由此亲眼目睹了一起谋杀案。小女孩因为极度惊恐导致失忆。心理医生朱丽叶来到雷切尔家中，帮助她克服恐惧，恢复记忆。在朱丽叶认真细致的治疗下，雷切尔逐渐记起了案发当时的情景。根据雷切尔提供的线索，警方逐渐将目标集中到一名参议员身上，怀疑这个涉嫌受贿的政客为了掩盖罪行，雇佣凶手灭口。调查工作进行得异常艰难，对手毕竟是地位显赫的参议员……
After a young girl witnesses a brutal murder, criminal psychologist Dr. Julie Craig and Detective Steve Banks are called in to help her identify the killer. But what appears to be an ordinary mugging slowly reveals itself to be a complex political conspiracy. In a desperate race to protect the crime's only eyewitness, Julie and Steve must find the truth...before the killer finds them.
