I don't have first - hand knowledge of this novel. But it could be a narrative that delves into the different personalities within the Briar Club. It might show how their individual motives, dreams, and fears play out. There could be themes like loyalty, betrayal, or the search for identity among the club members. The setting of the club could also be used to create a sense of exclusivity and mystery, adding to the overall allure of the story.
I'm not sure specifically as I haven't read it. But generally, a novel often revolves around characters, their relationships, and the events that occur in a particular setting. It might be about the members of the Briar Club, their daily lives, their secrets, and how they interact with each other.