As the smoke clears from the Trinity War, one thing looks disturbingly clear: the members of the Justice League of America are dead, betrayed by one of their own. But as with the Trinity War, all is not what it seems. Martian Manhunter and Star Girl have lived to fight another day and find themselves trapped on an alien world that is under the control of a group of super-villains. The key to their survival may lie in the hands of the super-villain Despero, but will these heroes be able to find it within themselves to trust someone who is supposed to be their mortal enemy?