"New York Times bestselling author Jane Harper is back with a new mystery featuring Aaron Falk, the detective from the bestseller and major motion picture The Dry. At a busy festival site on a warm spring night, a baby lies alone in her stroller, her mother vanishing into the crowds. A year on, Kim Gillespie's absence casts a long shadow as her friends and loved ones gather deep in the heart of South Australian wine country to welcome a new addition...

Government Girl Louise Pearlie is asked to review the file usage of a missing analyst from the Office of Strategic services - the US's wartime intelligence agency - only to learn he'd drowned in the Tidal Basin days before. OSS insists it was an accident, but a DC homicide detective named Royal believes the analyst was murdered and blackmails Louise into helping him investigate.