In an effort to raise money to pay off creditors of McCoy's Floating Zoo, Sandy and Bud join Bonnie McCoy in a scheme to run away with her father's elephant and chimpanzee.
Flipper goes to Bud and Porter Ricks for detective help after seeing a treasure chest stolen from the wreck of a sunken Spanish ship hidden on a nearby island.
Judy the chimp steals a briefcase full of money and Sean McCoy of McCoy's Floating Zoo is arrested. Sandy, Bud and Bonnie decide to put on a show with Flipper to raise money for her father's bail.
Flipper falls in love with another Dolphin much to Bud's puzzlement, and swims about the park with his new girlfriend until Ted Marlowe mistakes the female dolphin for a shark and spears her.
When two pilots crash into the ocean and become trapped in their aircraft it is up to Porter and Sandy to save the day, with a little help from Flipper and Bud's newly honed secret agent detective skills.
A 20 year-old young man is accused of stealing mollusks from an area of the park that Porter Ricks has been doing experiments in.With the help of Flipper and Bud's picture,a seal is caught as the real thief.
