明朝成化年间，朝纲(gāng )腐败，奸邪当道。西(xī )厂东厂为(wéi )宦官(guān )把持，混淆黑白，陷害忠(zhōng )良，朝野内外噤若(ruò )寒蝉(chán )。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡剑(jiàn )客(kè )挺身而出，接连(lián )铲除东(dōng )厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此(cǐ )时，风头正劲的西厂