When a vivacious blonde convinces Monk Mayfair to skip an important sea voyage to London, and instead run off to her Louisiana plantation, Ham Brooks is very suspicious. After Doc Savage enters the picture, things start popping. As in fists and guns. Finding themselves on a steamship bound for the Caribbean, Doc, Ham, and a reluctant Monk become embroiled in wartime intrigue surrounding the question of who is desperately trying to keep them off the Northern Star, and why? From New York City to the Bahama Banks, Doc Savage and his mighty men follow the trail, making new allies along the way, until they plunge into a hurricane of horror only some will survive….