"Grace's shy younger brother, Fiske, disappeared from art school in 1962 and hasn't been seen since. Most people believe he was kidnapped and killed by agents from another branch. But then why would Grace send him a secret message--one that can only be read with a black-light reader? Could Fiske have been hiding all this time? And, after spending so many years away from the hunt, is there any knowing whose side he'll be on?"