Ex-navy Underwater Demolition Team Officer Mike Nelson continues his skin-diving as a postwar profession, combining mastery of the SCUBA and spear with a flair for dangerous investigation.
Six sportsmen rent an amphibian plane to fly them to a skin-diving site. When one of the divers, using a Sea Scooter, mysteriously disappears, Mike searches and finds him–photographing secret Navy installations!
S1E35 26 min
