Ann Silver is a cop’s cop. As the Midwest Homicide Investigator, she is called in to help local law enforcement on the worst of cases, looking for answers to murder. Hers is one of the region’s most trusted investigative positions. Paul Falcon is the FBI’s top murder cop in the Midwest. If the victim carried a federal badge or had a security clearance, odds are good Paul and his team see the case file or work the murder. Their lives intersect when Ann arrives to pass a case off her desk and onto his.

Charlotte Graham is at the center of the most famous kidnapping in Chicago history. The FBI and local cops found her two abductors, killed them, and rescued her, but it took four long years. The fact that she was found just three miles from her home, had been there the entire time, haunts them. She’s since changed her identity, found a profession she loves, and rebuilt her life. She’s never said a word — to the cops, to her doctors, to her family — about those four years.

Abducted at the age of sixteen and coerced into assisting the Jacoby crime family, Shannon Bliss has finally found a way out. She desperately wants to resume some semblance of normal life, but she also knows she has some unfinished business to attend to. She has enough evidence to put her captors behind bars for a very long time.

An FBI undercover operation gone bad convinces Rae Gabriella to move near her hometown and work as a private investigator with another former agent. But the small town of Justice, Illinois, is not as safe as she thinks. Attractive and stylish young women, just like Rae, are quietly dropping dead in their hotel rooms, with money and valuables still untouched. When the next victim turns up just a few rooms away from Rae's hotel room, the grieving parents hire her to investigate.

Elite Guardians bodyguard/former sniper Christina Sherman has protected uncooperative clients before—but this time, well, her client is bossy, headstrong, and occasionally eats off the floor. Yes, he’s a highly trained military working dog, but certainly her skills could be put to better use, right? Not according to former Special Forces Air Commando Grey Parker. He needs her help to protect his dog while he undergoes an experimental surgery that could restore his ability to walk.