明朝成(chéng )化年(nián )间，朝纲腐败(bài )，奸邪当道。西厂东厂(chǎng )为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除(chú )东厂数名奸佞，致令(lìng )阉贼胆战心惊。适值此时，风头正(zhèng )劲的西(xī )厂(chǎng )