The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels to Los Angeles, accompanied by inventor/radio operator Bob Whitlock and Irene Blaine. Their journey is aided by Pal, a wolf dog.
Two expeditions are trying to reach the Lost City of Zoloz -- one headed by Professor Davidson, a scientist who wants to establish an archaeological site, and the other by a greedy treasure hunter who wants to keep the fabled treasures of the city for himself.
A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome saboteur Sakima.
Two safaris enter the African jungle intent on finding a white girl who is the heiress to a fortune. One safari, led by Jungle Jim, wants to make sure she gets the news that she is now a rich woman.
The extravagant cop Michael Dooley needs some help to fight a drug dealer who has tried to kill him. A "friend" gives him a dog named Jerry Lee (Officer Lewis), who has been trained to smell drugs.
A lover selflessly steps aside to let her guy go so he can hook up with a rich dame. Sadly, the goodie good girl ends up marrying some scum bag gambler.
Self-made businessman Sir Grant Rayburn is obsessed with making money to the exclusion of all else. He shows little interest in his daughter Jill and is irritated when she falls in love with, and wishes to marry, a young man named Tom.