明朝成(chéng )化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西厂(chǎng )东(dōng )厂为宦官(guān )把持，混淆(xiáo )黑白，陷害(hài )忠良，朝野内外噤(jìn )若寒蝉。时有赵怀安(ān )（李连杰 饰(shì )）等(děng )流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆(dǎn )战心惊(jīng )。适值此时，风头正劲的西厂(chǎng )