明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂(chǎng )东厂为(wéi )宦官把持，混淆黑(hēi )白，陷害忠(zhōng )良(liáng )，朝野内外(wài )噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流亡(wáng )剑客挺身而出，接连铲除东(dōng )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