A Carioca woman is confused with a businesswoman on the beautiful beaches of the Caribbean.

Fearless reporter Brenda Starr needs a big scoop if she wishes to retain her lofty status within the world of journalism, so she ventures deep into the Amazon to investigate a story involving a mad scientist's plot to blow the planet to smithereens. Her investigation pits her against a collection of dastardly villains and the myriad dangers of the jungle.

Mom and Pop Aguilar and their two boys tour the island.

The film presents the five members of the popular music group La Pandilla in a tangled comedy-musical plot, involving a stolen audio recording, during the summer of their group tour. Includes sequences within the same concerts, where the enthusiastic public is also shown. The plot is woven around this tour, alternating performances with funny incidents at a hotel in Condado where they stayed.

After several years of dreaming about the beautiful girl in a calendar photo, a composer, being overwhelmed by his girlfriend's jealousy, discovers that his next-door neighbor is that girl.

Machuchal is a rural healer that uses ancient methods and herbs as cures, obtaining the confidence of the community for many years. After an emergency in which a child almost dies, Machuchal is persuaded to attend nursing school.

Businessman Carlos meets Ana María in a Mexico City nightclub. He escorts her home, and makes a date for the next day. Ana María is actually a prostitute whose pimp, Arturo, thinks Carlos would be a good client, and urges her to be nice to him. They fall in love, and Carlos proposes marriage to her, indicating he must return to Puerto Rico soon.