明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷害忠良，朝野(yě )内外(wài )噤若寒蝉(chán )。时有赵怀(huái )安（李连杰 饰）等(děng )流亡剑客挺身而出，接连铲除东厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此(cǐ )时，风头正劲(jìn )的(de )西厂