5-7 June 2025 January 1942: German U-boats have a strangle-hold on the Atlantic. If nothing is done, Britain will be starved of food, raw materials, and oil in as little as two months. The Western Approaches Tactical Unit—staffed almost entirely by women—is tasked by Churchill to “Find out what is happening in the Atlantic, find ways of getting the convoys through, and sink the U-boats!”
One 17-year-old Wren in particular turns out to have a gift for getting inside the mind of the enemy, predicting their actions and countering them. This is the true story of how a group of Wrens helped win the Battle of the Atlantic.