明朝成化年间(jiān )，朝纲(gāng )腐败(bài )，奸(jiān )邪当道。西厂(chǎng )东厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客(kè )挺身而出，接连铲除东(dōng )厂(chǎng )数名奸佞，致令阉(yān )贼胆战心惊。适值此时，风头正劲的西厂