While Catwoman sat in her apartment, debating whether to flee or to stay, her phone rang. He says "Sorry, Kitty-cat, but one of us had to go down." After that TYGER Guards were at her door.
Catwoman fought her way through guard after guard to the safety of a nearby roof.
She turned to thievery to survive, learning martial arts and gymnastics to develop her own style. O squad chase after her, but neither are able to catch her, and she mocks them for it.
Eventually, she created an identity for herself as Catwoman after hearing rumors about Batman. Batman argues with the squad, insisting that he will be the one to take Catwoman in, which buys the Cat Burglar enough time to escape. Batman eventually does catch up to her and the two fight, and while Batman defeats her, she was still able to successfully upload the data she had stolen to her employer.
Over the years, their relationship developed to become increasingly reliable allies.
A final scene revealed that a woman referred to as Director Waller had Catwoman released with an expunged record and the thanks of a grateful nation, suggesting that Catwoman was working for this agency.Fortunately, Catwoman helps Batman, who had infiltrated the Prison, and rescued him using a prisoner convoy vehicle she had stolen from a TYGER Guard that was transferring Poison Ivy from Arkham Asylum to Arkham City.Catwoman tells Batman that she had made an uneasy alliance with Ivy.Catwoman then woke in the Batmobile as it raced through Gotham's streets.She angrily told Batman that he should not have gotten involved.