明朝成化年间，朝纲腐败(bài )，奸邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷(xiàn )害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡(wáng )剑客(kè )挺(tǐng )身(shēn )而出，接连铲除(chú )东厂(chǎng )数名奸佞，致令阉贼胆战心惊(jīng )。适值此时，风头正(zhèng )劲的西厂