Black waters of the Southwest Pacific, enemy waters, sea-roads for the passage of Japanese armaments going South to smash US troops fighting over island beaches, domain of the escort destroyer, guarding convoys of anti-aircraft, machine guns, concrete for pillboxes. Then, one night, suddenly, mysteriously, two ships were wiped out of a convoy. One ship left burning, one sunk. This was only the beginning. In one month, 41,000 tons of Jap cargo vessels were sunk, 43,000 damaged. Next month, 13 ships attacked, 6 damaged, 7 sunk. News of the losses leak out. Radio Tokyo invents alibis, new American superplanes reported in the Pacific, surpassing anything known in speed and maneuveurability. Reverberations in the Japanese high command. New detachments of night fighters called up. Jap fleet adjustments made, more destroyers, cruisers, more convoy escorts. The attacker was an unidentified American plane, hitting at night. They bombed the destroyers, light cruisers, heavy cruisers. What is this superplane?