Estranged from her diplomat father, Monica Callahan refuses to be intimidated by a terrorist threat, until a chilling warning convinces her that the danger is very real, but as FBI Hostage Rescue Team member Evan Cooper and his partner do their best to keep her safe, Monica's father triggers an abduction that puts his daughter's life at risk. Original. For FBI Hostage Rescue Team member Evan Cooper, dignitary protection duty should have been a piece of cake. But Monica Callahan isn't making it easy.