Flash back to Gotham before Arkham City, to the last time Catwoman, Poison Ivy, and Harley Quinn worked together! The Sirens are hot on the case of an animal-killing criminal and everything should be ...

The Sirens' allegiance falls even further into ruin as promises are broken and schemes are thwarted. And with Batman used as a lure, the situation is about to get even more complicated for Catwoman!