明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道。西厂(chǎng )东厂为宦官(guān )把持，混淆黑白，陷害忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀(huái )安(ān )（李(lǐ )连(lián )杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值(zhí )此时，风头正劲的西厂