明朝成化年间，朝纲腐败(bài )，奸(jiān )邪当(dāng )道。西厂(chǎng )东厂(chǎng )为宦(huàn )官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安(ān )（李连杰 饰）等流亡剑客(kè )挺身而出，接连铲除东厂数名奸佞，致令(lìng )阉贼胆战(zhàn )心惊。适值此时(shí )，风头正(zhèng )劲的西(xī )厂