明朝成(chéng )化年(nián )间，朝纲腐败(bài )，奸邪当(dāng )道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野(yě )内外(wài )噤若寒蝉(chán )。时有赵怀(huái )安（李连(lián )杰 饰）等(děng )流亡剑客挺身而出，接连铲除东厂数名(míng )奸佞，致(zhì )令(lìng )阉(yān )贼胆战(zhàn )心惊。适值此时，风头正劲的西厂