A romantic story about how two monsters fall in love: Joseph, the werewolf, falls in love with Angelica, the vampire, after she beats him and his sister in a singing contest. After buying a necklace that glows when his mood changes, Joseph accidentally turns himself into a werewolf. Once he turns himself a werewolf, Angelica calls her vampire friends to destroy him, but once Angelica falls in love with Joseph, she tries to save him from her werewolf-hunting vampire friends with Joseph's sister and best friend.