A crack team of Italian naval divers plan to attach high explosives to the hulls of Royal navy warships anchored in Gibraltar harbour.
An inhabitant of the Moon, crashed on the Earth due to the violent shock caused by an atomic experiment, remains amazed by the discovery of this planet and gives life to a puppet, begging him to introduce him into the world of men.
A team of highly trained Italian seamen are taken to the island of Stampalia where there are to take their torpedo-laden attack craft on a daring attack on the port of Suda.
