Don Winslow of the Navy #26

Don Winslow and his fellow officers pursue the criminal known as the Scorpion, who has sabotaged a British light cruiser and is attempting to sink it. As the castle goes down, Winslow and Pennington are trapped inside and must fight their way through flooding compartments to escape, while the Scorpion gloats over his success and plans to eliminate them. The story involves a race against time to reach the radio station on the island and prevent further disaster, with Winslow determined to capture the villain and stop his nefarious plot.