明朝成化年间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等(děng )流(liú )亡剑客(kè )挺身而出，接连铲除(chú )东厂(chǎng )数名奸佞，致(zhì )令阉贼胆战(zhàn )心惊。适值此时，风头正劲的西厂(chǎng )