明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪(xié )当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷(xiàn )害忠良，朝(cháo )野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身(shēn )而出，接连(lián )铲(chǎn )除东(dōng )厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值(zhí )此时，风头正劲的西厂