1: U-boats, Spies and Code Breakers. Throughout the Second World War, Ireland remained neutral - in theory. But how neutral was it in practice? Did it, in fact, give covert help to both sides of the conflict.
Were German U-boats dropping German spies on to the shores of Ireland's west coast? Did the IRA collaborate with the Nazis? In this two-part programme James Maw uncovers the stories of the spies and the Irish code breakers who secretly cooperated with MI5 aiding the British war effort. Producer Neil George