明朝成化年间，朝纲(gāng )腐(fǔ )败，奸(jiān )邪当道。西厂东(dōng )厂为宦(huàn )官把持，混淆(xiáo )黑白，陷(xiàn )害忠良，朝野内(nèi )外噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流亡(wáng )剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂