明朝成(chéng )化年间，朝纲腐败，奸邪当道(dào )。西厂东厂(chǎng )为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安(ān )（李连杰(jié ) 饰）等(děng )流亡剑客(kè )挺身而出，接连铲除(chú )东厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此(cǐ )时，风头正劲的西厂(chǎng )