Dublin, 1907. Days before a crucial State visit, the Irish crown jewels go mysteriously missing. In the ensuing chaos, suspicions are rife and theories proliferate. The police believe it to be an inside job and their investigation leads to a web of political and sexual intrigue that comes close to the Crown itself. The investigation stalls, the culprit goes free and the jewels are never recovered. This is an account of one of Ireland's most fascinating unsolved crimes.