Crooked Moon, first and foremost, is a human drama, an emotional journey into the lives of two women and those closest to them. As children, Frankie Cavalese and Callie Mason were the very best of friends, growing up together behind opposite walls of a row home in a blue-collar neighborhood of Philadelphia called Rainytown. The friendship they shared was special - the kind that storybook heroines had - and neither ever considered the possibility of it not lasting forever. But after high school, life interfered and circumstances separated them as they each went on to live in drastically different worlds. Twenty-three years later, one hot unsettled summer, their lives come crashing back together when Callie, who has led a life of privilege, returns to Rainytown and finds her old friend still living in her childhood home, unmarried, and caring for her angry dying mother, Ruby. Frankie is faded. Her signature tenacity is threadbare as she routinely implores her playboy brother, Paulie, to help ease the burden of being their mother's sole caregiver. As the two women reconnect, Frankie tries to forgive Callie for abandoning the friendship, while Callie wrestles with the guilt of having disappeared. To complicate the fragile reunion, Callie's marriage to her husband, Jackson, is suddenly at risk, further muddled by the affections of (and attraction to) Paulie. Tensions and passions explode in the sweltering heat, and amid pain and tragedy, each woman not only ends up with a life-altering secret regarding the other, but the burning question of what to do with it.