明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵(zhào )怀安（李(lǐ )连杰 饰）等流亡剑客(kè )挺(tǐng )身而出，接(jiē )连(lián )铲除东厂数名奸佞(nìng )，致令(lìng )阉贼胆战心惊。适值此时，风(fēng )头正劲的(de )西厂