When a murder is committed in the heart of Gotham city, Batman and Robin decide to involve Young Justice in the investigation. However, matters become much more complicated than they previously seemed, and eventually an all out war breaks out between the government and the ever mysterious Witches.

Kami Albarn (mother of Maka Albarn and ex-wife to Spirit the death scythe) gets a call back to active duty during her vacation. There have been increased sightings of kishin eggs in major cities across the United States and the Justice League has started to take notice. Kami is assigned to act as a liaison of sorts between the Justice League and the DWMA.

After a failed fight with a new Kishin, Death the Kid (and the twins) find themselves in a new place... with virtually no way back to the DWMA. How will Kid handle these unsymmetrical heroes?

After reading about Excalibur in a book, Robin, Artemis, Rocket, and Kid Flash go searching for it. But they'll soon learn that they're in for more than they bargained for.