Arkham City's Defender

Sequel to Thunderhead. Months later after the Arkham Asylum incident, Ethan Louis thrusts back into the superhero world as he goes to Arkham City. Once he's in Arkham City, can he save the innocents trapped in the prison along with himself from dangers that would Gotham? Can he along with Batman, Catwoman and other heroes save Arkham from whatever Protocol 10 is?