明朝成化年间，朝纲(gāng )腐败，奸邪(xié )当道。西厂东厂为宦官把持，混(hún )淆(xiáo )黑白，陷害忠(zhōng )良(liáng )，朝野内外噤若寒蝉。时有赵怀安（李连杰 饰）等流亡(wáng )剑客挺身而出，接连铲(chǎn )除(chú )东(dōng )厂数名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂