明朝成化年间，朝纲(gāng )腐(fǔ )败，奸(jiān )邪(xié )当道。西厂(chǎng )东(dōng )厂为宦官把持，混淆黑白，陷害忠(zhōng )良(liáng )，朝野内(nèi )外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等(děng )流亡剑客挺身而出，接连铲(chǎn )除(chú )东厂(chǎng )数名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂