Dublin, 1939. As the Second World War looms ever closer, blind war veteran Frederick Rowlands travels to the neutral territory of Ireland at the behest of Celia Swift, whose husband, Lord Castleford, has been receiving mysterious death threats.

When a body is discovered, Castleford finds himself being accused of a murder he did not commit. As Castleford's trial begins, Rowlands must fight to save his friend's reputation - and his neck from the gallows. As a country teeters on the knife-edge of war and a man's life hangs in the balance, will the Blind Detective identify the true killer in time?