明朝成化(huà )年间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂(chǎng )东(dōng )厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内(nèi )外噤若寒蝉。时(shí )有赵怀安(ān )（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲的西厂