明朝成化(huà )年间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑(hēi )白，陷(xiàn )害(hài )忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除(chú )东(dōng )厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风(fēng )头正(zhèng )劲的西厂