明(míng )朝成化年间，朝纲(gāng )腐败，奸邪当道(dào )。西(xī )厂东厂(chǎng )为宦(huàn )官(guān )把持，混淆黑白，陷害忠(zhōng )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(kè )挺身而出，接连铲除东厂数名奸(jiān )佞，致令阉(yān )贼胆战心惊。适(shì )值此(cǐ )时，风头正劲的西厂