明朝成化年间，朝纲(gāng )腐(fǔ )败，奸(jiān )邪当道。西(xī )厂东(dōng )厂为宦官(guān )把持，混淆(xiáo )黑(hēi )白，陷害(hài )忠(zhōng )良，朝野内外噤(jìn )若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂