明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂(chǎng )东厂(chǎng )为宦(huàn )官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连(lián )杰 饰）等流亡剑客挺身而(ér )出，接(jiē )连(lián )铲(chǎn )除(chú )东厂数名奸佞，致令阉贼胆战心惊。适值此时(shí )，风头正劲的(de )西厂