根據布克獎得主Pat Barker的小說《Border Crossing》(越界)改編，Bette Gordon的這部心理恐怖片講述了一位犯罪心理學家因爲愧疚在多年之後對一樁舊案展開重新調查的故事。男主角(由Josh Charles所飾)因爲提供的證詞，而使一名年輕男孩被冠上謀殺罪並送進監獄。滿懷愧疚的他，在多年後再次與男孩不期而遇。於是無法忍受內心折磨的他，展開了一系列對於舊案極具破壞性的追查...　　Based on Border Crossing, Booker Prize-winner Pat Barker’s controversial novel, Bette Gordon’s (Variety) psychological thriller is the story of a guilt-wracked forensic psychologist (Josh Charles) whose testimony once sent a young boy to prison for murder. When the boy later reappears in his life, he’s drawn into a destructive, soul-searching reinvestigation of the case.