明朝成化年间，朝纲(gāng )腐败，奸邪(xié )当道。西厂东厂(chǎng )为宦官(guān )把持，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时(shí )有赵怀(huái )安（李连杰 饰）等流亡剑客(kè )挺身而出，接连(lián )铲除东厂数名奸佞，致令阉(yān )贼胆战心惊。适值此(cǐ )时(shí )，风头正劲的西厂