明朝成(chéng )化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持，混淆(xiáo )黑白(bái )，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵怀安（李连杰 饰）等(děng )流亡剑客(kè )挺身而出，接(jiē )连铲除东(dōng )厂数名(míng )奸佞(nìng )，致令阉贼胆(dǎn )战心(xīn )惊。适值此(cǐ )时，风头正劲(jìn )的西厂