A talented detective duo must unmask a sinister child smuggling ring and expose the corruption in a world rocked by war.

Four and a half years after the terrorist bombing plot of 1916, expert detective Randall Blackburn is ready to face his toughest case yet. When a San Francisco mayor recruits him and his adopted daughter Vignette Nightingale to bust a horrifying child smuggling ring, Randall plunges into a sinister investigation with roots far deeper than he could have ever imagined.

As they begin to peel back the layers of mystery behind the so-called "Orphan Trains," Randall and Vignette piece together the shocking truth behind an underground railroad with ties across the Atlantic. Determined to stop the ruthless practice and bring down the culprits, the detective duo must use all of their wits to expose the corruption that lurks in the shadows.

But there are powerful figures who would rather keep the Orphan Trains a secret... and Randall quickly finds himself locked in a deadly battle to unmask the shady people who have crept into the upper echelons of power.

Dive into the thrilling fourth book in New York Times bestselling author Anthony Flacco's Nightingale Detective series. Drawing on his experience as an award-winning screenwriter and true crime novelist, this exhilarating historical crime novel features real-life figures and events. Perfect for fans of Devil in the White City.