Three deaths in two weeks and she could be the next victim.

The biggest dangers bookstore owner Del Peterson faces are paper cuts and aching feet until a gift draws her into the center of a federal investigation and she's taken into custody as a material witness. When Del's safe house is breached and a marshal dies protecting her, she turns to the man she knows has the skills to help.

Two years ago, Josh Cahill transitioned from elite Delta warrior to small-town cop. When a federal judge is murdered, nothing will stop him from protecting the woman he loves. With help from his Delta unit and friends at Fortress Security, Josh sets a trap to capture the shooter. Though he vowed to protect her, bringing down the man behind the shooter might require Josh to take Del into the heart of danger.