Best friends all their lives, Margaret an Letty fear success has passed them by. English teacher Margaret longs to leave the classroom and write the literary classic she's always dreamed of. Mother of four Letty is ashamed of her starter home and aspires to maple floors and designer appliances. When her husband Michael gets a new job and the couple is swept into the affluent circle of his colleagues, she knows exactly how to celebrate his pay rise. But soon Letty is trapped in a cycle of money she doesn't have, and Margaret sees a plot unfolding that surpasses anything she could imagine. As Margaret's masterpiece takes shape, Letty's world begins to disintegrate, and Margaret is forced to confront the shocking consequences of her betrayal.