Kezia Cooper Hobson, recently widowed, arrives in New York from San Francisco. Determined to make a fresh start, she has just completed the sale of her Pacific Heights home, not to mention her husband's venture capital firm, and in doing so, is also freed from her responsibility as a board member of the company. Bringing with her only a few personal treasures, she is excited to move into the blank slate of a beautiful midtown penthouse, in the city that she has always loved. It is also where her two adult daughters now live.

When she is only six years old, Allegra Dixon's party-loving mother leaves without so much as a goodbye. Her father, an emotionally distant military officer, is also unable--or unwilling--to care for her. Sent to live like a ghost in her grandparents' joyless home, Allegra finds her only solace through an escape into books.

Sophia Alexander, the beautiful daughter of a famous surgeon in Berlin, has had to grow up faster than most young women. When her mother falls ill, Sophia must take charge of her younger sister Theresa, look after her father and the household, while also volunteering at his hospital after school. Meanwhile, Hitler's rise to power and the violence in her very own town have Sophia concerned, but only her mother is willing to share her fears openly. After tragedy strikes and her mother dies, Sophia becomes increasingly involved in the resistance.

Oscar-winning actress Ardith Law is a Hollywood icon. Radiant at sixty-two, she is the epitome of glamour and a highly respected artist. But her success has come at a price: she has a strained relationship with her daughter, Morgan, who at thirty-eight still blames Ardith for putting her career before being a mother. Morgan is a successful plastic surgeon in New York City—and the distance from Ardith's Bel Air mansion is not lost on either of them. Ardith became a single mother when Morgan was seven, after her unfaithful husband died in a helicopter accident.

It's the summer of 1959 and the Palace of Versailles is hosting an event that will make history. It is an exclusive dusk to dawn ball in which a select group of American and French debutantes will be presented to international society and royalty. Four young women, all with something to prove, receive what some see as the invitation of a lifetime.