Joan Castleman is a very smart and still amazingly beautiful devoted wife. She spent forty years sacrificing her own talent, dreams and ambitions to be the muse of her charismatic husband Joe and his rapidly growing literary career. Ignoring his infidelity and excuses because of his "art" with grace and humor. Their whole marriage was built on unequal compromises. And Joan reached her limit. On the eve of Joe's Nobel Prize in Literature, Joan decided to leave him. Based on the novel by Meg Wolitzer.