明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外噤(jìn )若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而(ér )出，接连(lián )铲除(chú )东(dōng )厂数名奸佞，致令阉贼(zéi )胆(dǎn )战(zhàn )心惊(jīng )。适值(zhí )此时，风头正劲的西(xī )厂