明朝成化年间，朝纲(gāng )腐(fǔ )败，奸邪当道。西(xī )厂(chǎng )东厂为宦官(guān )把持，混(hún )淆黑白，陷害忠(zhōng )良，朝野内外噤(jìn )若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺(tǐng )身而出，接连铲(chǎn )除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风头正劲的西厂