It's Mickey's Birthday and his girlfriend just left him, so that's when his friend Clarence shows him a birthday he'll never forget.

每到月圆之日，一个连环杀人狂就拿着手术用的激光刀出来疯狂地杀害女性，并给电台打电话嘲弄警察。于是，电台的DJ决定帮助警察查出真凶。