明朝成化年间(jiān )，朝纲(gāng )腐败(bài )，奸邪(xié )当道。西厂(chǎng )东(dōng )厂为宦官把持，混淆黑白，陷害忠(zhōng )良(liáng )，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆(dǎn )战心惊(jīng )。适值此时，风头正劲的西厂