The Ritchie Boys were responsible for gathering more than half the actionable intelligence on the battlefield during World War II. For the many German-born Jews in their ranks, defeating the Nazis was heartbreakingly personal. Jon Wertheim reports.

“Ritchie, Roscoe and Colin are young lads, strangers at first, leaving home at 18 and heading off to London in 1981 with hope and ambition and joy… and walking straight into a plague that most of the world ignores. Year by year, episode by episode, their lives change, as the mystery of a new virus s