Before the charismatic John Duval Gluck, Jr., came along, letters from New York City children to Santa Claus were destroyed, unopened, by the US Post Office. Gluck saw an opportunity and created the Santa Claus Association. The effort delighted the public, and for 15 years money and gifts flowed to the only group authorized to answer Santa's mail. Gluck became a Jazz Age celebrity, rubbing shoulders with the era's movie stars and politicians.
Matthew Liu sees his parents gunned down on a lonely Sydney backstreet. A young woman, the killer, stares him in the face before fleeing the scene. When the police arrive, all they find is the discarded gun. Detective Inspector Paul Harrigan's unit is pitched into a high-profile investigation with little to go on. Who is the young woman? How can she have vanished into thin air? When DC Grace Riordan follows up a connection between one of the victims and a termination clinic, pieces start to fall into place, but Grace is forced to confront some personal demons.