明朝成化年间，朝纲腐(fǔ )败，奸(jiān )邪(xié )当道。西厂东厂(chǎng )为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等(děng )流亡剑(jiàn )客(kè )挺身而出，接(jiē )连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心(xīn )惊(jīng )。适值此时，风头正劲的西厂