In sea off Malta.
Various shots of deep-sea diver Jimmy Hodges filming coral reefs and shoals of fish using underwater camera. Various shots of Hodges filming wreck of sunken wartime destroyer "Maori". Various shots of man in small boat, he is surrounded by bits of diving and camera equipment to send down to Hodges. M/S of lighting equipment being lowered below water. More shots of shipwreck, beam of light from underwater torch hits bits of wreck. Underwater shot of boat's propeller in action. M/S of Hodges climbing rope ladder to surface.
Hodges is working for the Admiralty Research Laboratory.