Kidnap-and-rescue negotiator Thea Paris' worst nightmare comes true when her father is kidnapped and the only way to rescue him may involve an unthinkable sacrifice.

"The #1 New York Times bestselling author of Small Great Things returns with a powerful and provocative new novel about ordinary lives that intersect during a heart-stopping crisis. The warm fall day starts like any other at the Center a women's reproductive health services clinic its staff offering care to anyone who passes through its doors. Then, in late morning, a desperate and distraught gunman bursts in and opens fire, taking all inside hostage....