明(míng )朝(cháo )成化(huà )年间，朝纲腐(fǔ )败，奸邪当(dāng )道。西(xī )厂东厂(chǎng )为宦官把(bǎ )持，混淆黑(hēi )白，陷害忠良，朝野内外噤(jìn )若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时(shí )，风头正劲的西厂(chǎng )