She agreed to help the FBI catch a criminal. They promised she'd be safe. They lied.Now, Nadine Larkin is running from a fugitive who already killed her brother, from the FBI who let it happen, and from the secret she's been keeping since the day she took in her brother's infant daughter.Deputy U.S. Marshal Jackson McGuire built his career on one unbreakable rule: never get emotionally involved with a protectee. Joining the FBI's task force was supposed to be about catching a fugitive, not babysitting a witness. But when Nadine barely survives a sting that should have never gone wrong, Jackson starts asking questions the FBI doesn't want asked—and realizes the real threat isn't missing art. It's the target they've painted on her back.When a deadly trap forces both their secrets into the open, Nadine and Jackson must choose: keep their walls up and die separately, or trust each other with everything—the baby, the truth, and the hearts neither of them planned to risk.