“The lieutenant descended slowly into the quiet and gloom. As he began to step down into the control room, he was gripped by a feeling of dread. Someone could be down there waiting for him...” Hitler's U-boats rule the North Atlantic and threaten to eliminate the Allied forces supply lines through meticulously coordinated attacks using Germany's secret weapon: the Enigma. Desperate to turn the tide of the war, British scientists at Bletchley Park work tirelessly to break the codes. But there is a problem. They need the German ciphers and a working Enigma machine. In this gripping story held secret for years, you'll join the crew of HMS Bulldog as they execute a covert WWII mission to seize a functioning Enigma and the ciphers Britain so desperately needs. The bravery of these sailors saved countless lives and crippled German naval operations, eventually giving the Allied forces the victory needed to win the war and end Hitler's reign of terror.