威廉•华莱士童年时，其父、苏格兰民族英雄马索•华莱士在与英军的斗争中牺牲，他开始接受父亲好友的指导，学习苏格兰文化和武术。青年华莱士（梅尔•吉布森）学成回到故乡，向美丽的少女梅伦求婚，不想梅伦被英军抢去且遭杀害。在广大村民“英雄之后”的呼声中，华莱士率众揭竿起义，并与苏格兰贵族罗伯结成联盟，但不久他发现，苏格兰贵族考虑的只是自身的利益。 　　英王为缓和局势，派伊莎贝拉（苏菲•玛索）前去和华莱士谈判，由于英王只想收买华莱士，根本不顾苏格兰人民的自由和平等，谈判失败，但这一切并不为伊莎贝拉所知。伊莎贝拉归国后发现事情真相，且知晓英王正策划阴招，忙送信给华莱士，而两人的爱情，也在战争与阴谋中悄然滋生。William Wallace is a Scottish rebel who leads an uprising against the cruel English ruler Edward the Longshanks, who wishes to inherit the crown of Scotland for himself. When he was a young boy, William Wallace's father and brother, along with many others, lost their lives trying to free Scotland. Once he loses another of his loved ones, William Wallace begins his long quest to make Scotland free once and for all, along with the assistance of Robert the Bruce.