July 1945. Eighteen daring young British, Australian and New Zealand special forces from the top-secret underwater warfare unit known as The Sea Devils prepare to undertake three simultaneous and incredibly risky missions against the Japanese.

Using four brilliantly conceived XE-craft midget submarines, the raiders will creep deep behind Japanese lines to sink two huge warships and sever two vitally important undersea communications cables. If any of the Sea Devils are captured they can expect a gruesome execution.

Mark Felton expertly tells the incredible tale - the last great Allied raid of the war - of how this band of young men living on raw courage, nerves and adrenalin repeatedly combat Japanese defences, oxygen poisoning and calamitous submarine disasters to pull off a brilliant display of ingenuity, courage and sheer guts, on missions that earn the last Victoria Crosses of World War Two and ensure final victory over Japan.