1850德州牧场扎克立家族来了一位流浪汉称扎克立家女儿是印第安凯欧族孤儿，引起凯欧族来此要人，整个问题是因为上一代白人与印第安相互寻仇，白人抱走印第安婴儿回家抚养，而该流浪客的儿子亦被印第安人掳走，向扎克立家族要求以女婴交换其儿子被拒而遭杀害，使其四处追踪迫害，最后水落石出，引起白人和印第安人的交战。

  Legendary director John Huston is "at the top of his form" (Time) with this "powerful, exciting" (The Film Daily) tale of forbidden love set against America's most rugged and ruthless frontier. Starring Burt Lancaster, Audrey Hepburn and Lilian Gish, and featuring a script by Ben Maddow (The Way West), The Unforgiven is a "tough, Texas saga filled with pride, prejudice and passion" (Video Movie Guide)! Indian by birth, but secretly adopted by whites, Rachel Zachary (Hepburn) soon becomes the target of lawless racism and brutality when her true identity is revealed. The Indians want her back, the local whites want her dead, and her only hope for survival is a man (Lancaster) who must face the most terrifying fight of his life-to save the woman he loves!