傑瑞警官（傑克尼克遜飾演）在臨退之際，卻碰上一椿棘手的幼女變態凶殺案，死者的母親要求傑克立誓破案，隨即順利地逮捕到一名印地安人嫌犯（班尼西歐岱托洛飾演），並宣告破案。
但傑克覺得此案另有隱情，他為了調查於是遷居到案發地內華達的小鎮，買下了一個公路加油站，以便觀察過路的旅客，並在當地認識了一對母女（母親由蘿蘋萊特潘飾演）。有天，傑瑞決定用這位小女兒當誘餌，真凶終於上路了，案情呼之欲出…
本片不以追緝凶手的推理過程為主軸，而以男主角面對誓言時所表現出的生命所不能承受之輕為重心，突顯出精彩的情緒凝練和角色的表演。
劇情結局的反撲是本片最大的精華，完全緊扣本片主旨「謹守誓約」的神髓。
人魔三部曲中，最早最恐怖的一篇，一窺原始的戰慄....你必須從最先開始....安東尼霍普金斯主演。
Following the events of the first film, criminals Nick Nelson and Mike Allen are on the run as they are pursued by the FBI, led by Agent Barry Smith. Meanwhile, the thought-to-be-dead James Freeman plots his revenge on his former associates.
This documentary about serial killers and FBI Behavioral Sciences profilers features interviews with Ed Kemper and Ted Bundy as well as crime victims and law enforcement officials. The film includes some dramatic recreations.
British crime-fighting psychologist Dr. Tony Hill crosses the Atlantic to investigate the case of an American vet who brutally killed his own family. Can he prove the soldier's defence of post-traumatic stress disorder is bogus? Or will the Texas heat, hostile locals and even a violent plot against him throw Dr. Hill off the trail? This feature-length film from the "Wire in the Blood" TV series also stars Brad Hawkins.
This Robert Benchley 'How To' comedy short attempts to teach us how to profile criminals by physical characteristics.
