In the 'harley quinn and the birds of prey graphic novel', the story begins with Harley Quinn's new - found independence. She is no longer under the Joker's thumb and is trying to make a name for herself. However, her actions draw the attention of both the law and the criminal underworld. The Birds of Prey, which consists of Huntress, Black Canary and others, initially view Harley as a nuisance but later realize they may need her help to take on a greater threat. This threat could be a syndicate that is trying to take over Gotham's criminal enterprises. As they work together, they must overcome their differences and learn to trust each other. There are action - packed scenes as they fight their way through the city's seedy underbelly, and there are also moments of character development as they each face their own demons.
Well, Harley Quinn is of course one of the main characters. She's the former psychiatrist turned criminal and anti - hero. Then there's Huntress, a vigilante with her own set of skills and a dark past. Black Canary is also a key character, with her sonic scream ability that makes her a formidable fighter in the group of Birds of Prey.