Lady scientist, Hilary Parker is searching for a rare drug to help combat polio. Opportunist Bruce Edwards joins the quest but is actually after gold and buried treasure.

Detective Tracy (Morgan Conway) rescues Tess Trueheart (Anne Jeffreys) and Junior from a killer called Splitface (Mike Mazurki).

The Falcon travels to Mexico where he gets involved with murder and a mysterious painting.

Jungle Jim fights a lion and sharks trying to save an African village from those who would despoil it.

Jungle Jim (Johnny Weissmuller) fights a gorilla, finds a Wac (Ann Savage) and keeps high fiber from falling into enemy hands.