In an altered timeline, a brutal war erupts between the Amazons and Atlanteans, with the world caught in the crossfire. Diana of the Amazons and Aquaman of Atlantis, once destined for marriage, find their union shattered by murder and betrayal. This catastrophic event ignites a global conflict, forcing Diana to lead the Amazons in destroying their home of Themyscira and claiming Great Britain as their new nation. Meanwhile, Aquaman and his Atlanteans are willing to sacrifice millions to annihilate their enemies, plunging the world into an apocalyptic struggle.

The Flashpoint event is widely recognized as a pivotal and controversial storyline within the DC Comics multiverse, known for its drastic reimagining of established characters and universes. This particular volume, focusing on Wonder Woman's role, delves into the brutal consequences of a world reshaped by altered alliances and devastating warfare. The narrative explores themes of betrayal, conquest, and the extreme measures taken by powerful figures when their worlds collide. Readers often note the dark tone and the significant impact this event had on subsequent DC continuity, making it a landmark, albeit divisive, chapter in the publisher's history.