明朝成化年间，朝纲(gāng )腐败，奸邪(xié )当(dāng )道。西厂东厂(chǎng )为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉(chán )。时有赵怀安（李(lǐ )连杰(jié ) 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风头正劲的西厂