明朝(cháo )成化年间，朝纲腐败(bài )，奸(jiān )邪当(dāng )道。西(xī )厂东厂(chǎng )为宦官把持，混淆黑白，陷害忠(zhōng )良，朝野(yě )内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出(chū )，接连铲除(chú )东(dōng )厂数名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂