明朝(cháo )成化年间，朝纲(gāng )腐败，奸(jiān )邪(xié )当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉(chán )。时有赵怀安（李连杰 饰）等(děng )流亡剑客(kè )挺身而出，接连铲除(chú )东厂数名奸佞，致令阉贼胆战心惊(jīng )。适值此时，风头正劲(jìn )的西厂(chǎng )