As alien invaders from Mars begin to take over the Earth, Superman and Batman rescue J'onn J'onzz who telepathically summons Wonder Woman, Hawkgirl, Flash, and Green Lantern to defeat the invasion.
A mysterious golden crown delivered to Clark Kent traps the Superman in a giant cocoon. When it opens, a transformed Superman emerges, with no memory of his previous life. Will Batman and the rest of the Justice League be able to conquer ancient magic to get Superman back?.
