明朝成化年间，朝纲腐败，奸(jiān )邪当(dāng )道。西厂东(dōng )厂(chǎng )为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野(yě )内外噤若寒蝉。时(shí )有赵怀(huái )安(ān )（李连杰 饰）等流亡(wáng )剑客挺身而出，接连铲(chǎn )除东厂数名奸佞，致令阉贼胆战心惊。适值(zhí )此(cǐ )时，风头正劲的西厂