Jake Hawkfield is a Special Weapons and Tactics officer whose life collapses when his wife dies under circumstances that point to suicide but feel deeply wrong. His boss Frank—mentor and best friend—is the only one who keeps him from falling apart entirely. Then Frank calls Jake in on an emergency: armed soldiers of unusual skill have seized a hospital and its staff. Jake arrives expecting a hostage situation. What he finds is something far darker—and it will force him to question everything he thought he knew about the people closest to him.