As Superman returns to Washington having helped save the U.S. President he collides with the newly formed defensive shield enveloping the entire city. Not even he is able to smash his way though it and deduces it must be created by magic. Contacting Batman to advise of his whereabouts and his inability to get through, he is told that both Martian Manhunter and Green Lantern are also stuck outside the shield while Diana is still in Themyscira retrieving the antidote to save Tom.
The rest of the league is inside facing the entire Amazon army. Superman asks whether the Bana are responsible for the shield and the Caped Crusader replies that he unsure. However, right not that is the least of his concerns because the league are trapped inside the shield lacking the support of their most powerful members. They are vulnerable and yet the Amazons do not seem to have pressed home their advantage yet. What are they waiting for?
Meanwhile outside the shield Grace Choi and Karna are driving towards it. Karna tells Grace that the mysterious shield is probably some sort of Themysciran black magic – the sort of thing that the Bana will put an end to for good. A frustrated Grace replies that she is tired of hearing about the Bana and as Karna arrives at their rendezvous point she proceeds to pass the time as they wait by telling Grace how the Bana had been forced out of Themyscira by Queen Hippolyta. They had lived a miserable existence in the desert and vowed revenge on their Amazon sisters. Now, after all these centuries the time has come to strike! The story of the Bana’s is one of abandonment, betrayal and struggle. “And it’s your’s too Grace” she adds. Karna then continues to tell the surprised Grace that she had sampled some of her DNA and determined that she is a Bana! Grace has trouble taking this information in as her other “sisters” arrive at the meeting point. Today she has finally found her family.
Back inside the shield Wonder Woman suddenly materialises in a flash beside Batman, who welcomes her back. He tells her to get the antidote to Tom as quickly as possible and she asks why he is not in the least curious as to why she just appeared out of nowhere? He replies that there are more pressing concerns and explains that they are sealed inside the city. Superman cannot penetrate it so it must be made by magic – and as Zatanna cannot get through either it must have been created by very strong magic. Circe!
Wonder Woman replies that she saw the witch die before her eyes but Batman’s steely stare causes her to think again…
Outside the shield the Bana warriors have assembled but just before they can make a move Superman appears above them. He tells grace that he has been listening to much of what Karna has been telling her and very little of it is true. He suggests Grace asks the Bana who blew up Vandenburg Air Force Base. Or tried to destroy Star City. Or who set fire to Kansas. Grace turns to Karna for an answer but the Amazon’s silence tells her all she needs to know.
Suddenly Karna lunges at Grace and holding a knife to her throat, warns Superman to back off. She then backs slowly through the shield taking the helpless Grace with her, closely followed by the other Bana. Once safely inside, Karna stabs Grace in the side and leaves her bleeding on the floor while she leads her Bana warriors towards the city centre.
Soon they converge with the waiting Themysciran Amazons and Karna and Hippolyta approach each other. The Amazon Queen smiles and greets the Bana, saying that she is glad they have chosen to join together. “The sisters are one, our enemies are trapped and the final battle can begin!” she states.
Watching nearby from one of the towers of the Smithsonian Institute, Circe smiles as her plan comes together. But suddenly her gloating is interrupted by Batman. Annoyed, she tries to unleash a magical energy bolt at him but nothing happens. He tells the surprised witch that Zatanna has given him a spell that, although only temporary, nullifies her magic. He then proceeds to clout her unconscious! With the witch down, her powers negate and the shield evaporates. Batman signals to Superman, Martian Manhunter and Green Lantern to enter the city.
Back down below Hippolyta addresses the combined Amazon armies, explaining that the remaining U.S. troops are hiding out in the ruins of the Capitol Building. They are exhausted, injured and barely armed. Finishing them off should take moments, which just leaves the Justice League. But thanks to the Bana and their well timed attacks across the country causing a distraction to lure them away, the League’s most powerful members are now trapped outside the shield. Which just leaves the remaining League members to pick off!
Suddenly a nearby heat vision blast cuts her words short and as she looks up in surprise she sees Superman leading the other heroes advancing towards them.
Back up on the tower Circe comes to and cursing Batman who has now disappeared, surveys the scene below. She smiles, relishing the fact that an all out final conflict is about to take place. “Everything they’ve fought for, sacrificed for and died for…is about to crumble before their eyes. Exactly as I planned!”.
Not far away Grace struggles to her feet and removes the blade in her side. Wonder Woman appears and asks if she is alright. She replies that the blade had missed her vital organs and Diana instructs her to see a medic and then join the fight. As Wonder Woman, sword in hand runs off Grace turns to asks what she means…but she stops sort at the sight before her as Amazons, U.S. Troops and Meta Humans engage in battle!