Sisters Samantha and Monte Waters are vacationing together in Santiago de Compostela, Spain, enjoying a festival and planning to meet with their brother, Cal. But the idyllic plans are short-lived. When terrorists’ attacks rock the city around them, Monte, a U.S. foreign service officer, and Samantha, an international television correspondent, are separated, and one of them is whisked away in the frenzy. The family mobilizes, using all their contacts to try to find their missing sister, but to no avail. She has vanished. As time presses on, the outlook darkens. Can she be found, or is she a lost cause? And even if she returns, will the damage to her and those around her be irreparable?

When 10-year-old Elizabeth West’s father dies in a tragic plane crash, her family moves to London. Her mother marries a knighted British businessman who has two children, and Elizabeth (Lizzy) and her two sisters move in with their new family. At age 16, while attending the American School of London, Lizzy meets and falls in love with Adil Hasan. But when Adil’s father is deported, Lizzy and Adil are separated. Lizzy’s family has also become involved with French-German industrialist Gerald Rene Wagner. Little does she know that Adil’s family has ties to the man as well. When a member of her family is murdered in Berlin under mysterious circumstances, questions surface about Wagner’s dealings, and Lizzy reexamines what really may have happened to her father.