In the last days of World War II, Germany, desperate for a last chance to defeat the Allies, gathers its last remaining U-Boats for one last mission: to attack the continental United States.In the last days of World War II, Germany, desperate for a last chance to defeat the Allies, gathers its last remaining U-Boats for one last mission: to attack the continental United States.In the last days of World War II, Germany, desperate for a last chance to defeat the Allies, gathers its last remaining U-Boats for one last mission: to attack the continental United States.