Following the events of the civil war between the Justice League and Teen Titans, Bruce Wayne, better known as Batman, finds himself training yet another individual that has become a member of the Batfamily. That being a young girl by the name of Harper Row, who has taken on the moniker of ''the Bluebird''. However, whilst training young Harper, Bruce learns that Jerome Valeska, the fourth Joker, survived the collapse of a long-abandoned fuel station during the events of Mask of The Phantasm, and now aims to turn Gotham into a city of madness. Now, Batman and Bluebird must stop the Joker before he can enact his twisted plans
