明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野(yě )内外噤(jìn )若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰(shì )）等流亡剑客挺(tǐng )身而出(chū )，接连(lián )铲除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适(shì )值此时，风头正劲的西厂