A giant robot from outer space robs human beings of their aggressive abilities, and only Wonder Woman and two others acting together can restore them.
Wonder Woman has her powers back, but is she ready to return to the Justice League of America? The individual heroes of the League monitor the adventures of the Amazing Amazon and draw their own conclusions. This time it is the Flash who observes Diana in action against the giant space robot before making his judgement. Next up to observe the Amazon Princess is Green Lantern.