In this classic detective novel, a group of wealthy foreign dignitaries are found murdered inside a locked room at Albert Gate, London. Enter Reginald Brett, an astute barrister-turned-detective, who takes on the case. As Brett unravels the mystery, he navigates a maze of international intrigue, stolen jewels, and sinister plots. Full of twists and surprises, this novel is a prime example of early 20th-century detective fiction that keeps readers guessing until the end.