When Darrel Keyes, head of the anti-Wonder Woman group "Protect Our Children," was murdered on the steps of the Themysciran Embassy, the ensuing riot was just one of a torrent of crises facing Diana. Now, with the changes that befell her island home drastically altering her responsibilities in the DCU, Diana doesn't have the time necessary to focus on the murder. Wonder Woman needs help. and who better to solve a mystery than the Dark Knight Detective?