俗话说恶人自有恶人磨。恶霸汉密尔顿（尼尔•麦克唐纳 Neal McDonough 饰）纠集了一帮恶棍在华盛顿州的一个小镇横行多年、压榨乡邻，甚至连当地的警察也拿他们没有办法。这天，特种兵克里斯（巨石 The Rock 饰）退役回到了家乡小镇。一心想着集成父亲的木料场安居乐业的克里斯发现这里已经不是自己服役前那个宁静美丽的小镇了，父亲的木料场被汉密尔顿霸占用作了赌场，高中女友也在恶势力的威逼下成了艳舞女郎。怒不可遏的克里斯当上了小镇的治安官，决定凭着这些年在特种部队的所学的非常手段将这群恶棍赶出家乡！After eight years serving the U.S. Army Special Forces, Sergeant Chris Vaughn returns to his hometown seeking for a job in the local mill. He is informed by Sheriff Stan Watkins that the mill was closed three years ago and now the Wild Cherry Casino, owned by his former high school friend Jay Hamilton, is the major source of jobs and income to the town. Chris goes home, and meets his best-friend Ray Templeton, who organized a football game with their friends. After the game, Jay invites Chris and his friends to spend the night in his casino on him, but when Chris finds that the casino crabs dealer is cheating with loaded dice, he fights against the security men and is almost killed by them. When his nephew Pete overdosed on crystal meth sold by the security men at the casino, Chris realizes that the town is dominated by the mobsters and the corrupt sheriff and with a huge piece of wood, he breaks the casino and the criminals. He is prosecuted and in the trial, he promises to the jury and to the population that if he is acquitted, he would be a candidate for sheriff and clean up the town. Later, Sheriff Chris Vaughn has to fight against the organized crime to keep his promise.