明(míng )朝成化年间，朝(cháo )纲腐(fǔ )败，奸(jiān )邪(xié )当道。西(xī )厂东厂(chǎng )为宦官(guān )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(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除(chú )东厂数名(míng )奸佞，致令阉贼胆战(zhàn )心惊。适(shì )值此时，风头正劲的西厂(chǎng )