Fisherman Quino and his wife Juana are very poor and desperate because the town's foreign doctor refuses to treat their son Coyotito, who has been bitten by a scorpion. When Quino unexpectedly finds a magnificent pearl in the sea, Juana senses that the discovery will only bring them misfortune and tries to convince her husband to return it to the sea.

The story of Mexican revolutionary Emiliano Zapata, who led a rebellion against the corrupt, oppressive dictatorship of president Porfirio Díaz in the early 20th century.

Peter Miles stars as Tom Tiflin, the little boy at the heart of this John Steinbeck story set in Salinas Valley. With his incompatible parents -- the city-loving Fred and country-happy Alice -- constantly bickering, Tom looks to cowboy Billy Buck for companionship and paternal love.