明朝成化年间，朝纲腐败，奸(jiān )邪当道。西厂东厂(chǎng )为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连(lián )杰 饰）等流亡剑客挺身而出(chū )，接连(lián )铲除东厂数名奸佞，致令阉(yān )贼胆(dǎn )战(zhàn )心(xīn )惊。适值(zhí )此时，风头正(zhèng )劲(jìn )的西厂