With Batman tied up dealing with the Joker, we turn our attention back to Catwoman. She wants to get more info on what's going on in Arkham City, but in order to get that she's going to need Poison Ivy's help. The key will be whether Ivy is willing to help.
Batman: Arkham City is the 2nd installment in the Arkham series. It was released in 2011 as a sequel to Arkham Asylum. In this storyline, Bruce Wayne is imprisoned in Arkham City. The city is a super prison built around the slums of Gotham keeping all of the decaying parts of the city inside. There's a mysterious protocol 10 going on which Batman needs to uncover. Play as Batman and Catwoman as she completes some other side tasks as well.
Watch all of RockMaster9001's Batman Arkham City Walkthroughs: Batman Arkham City Walkthrough Series