Memory man FBI agent, Amos Decker, returns in this action-packed thriller to investigate the mysterious and brutal murder of a federal judge and her bodyguard at her home in an exclusive, gated community in Florida.Things are changing for Decker. He's in crisis following the suicide of a close friend and receipt of a letter concerning a personal issue which could change his life forever. Together with the prospect of working with a new partner, Frederica White, Amos knows that this case will take all of his special skills to solve.As darkness falls, evil comes to light . . .Judge Julia Cummins seemingly had no enemies, and there was no forced entry to her property. Close friends and neighbours in the community apparently heard nothing, and Cummins' distraught ex-husband, Barry, and teenage son, Tyler, both have strong alibis. Decker must first find the answer to why the judge felt the need for a bodyguard, and the meaning behind the strange calling card left by the killer.Someone has decided it's payback time.