明朝成(chéng )化年间，朝纲腐败(bài )，奸邪当道。西厂东(dōng )厂(chǎng )为(wéi )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(huái )安（李(lǐ )连杰 饰）等(děng )流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令(lìng )阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂