Fallen siren

"Meet FBI Agents Emma Monroe and Zack Armstrong. She's cursed. He's damned. Together, they make one hell of a team. Emma Monroe is a Siren, cursed by the gods and bound to earth to atone for an ancient failure. She's had many names and many lives, but only one mission: redemption. Now that she works missing persons cases for the FBI, it could be just a rescue away. Unless her new partner leads her astray. Special Agent Zack Armstrong just transferred...