Jack Davis is a tough, outspoken cop who finds himself wrongly accused for the death of a fellow agent by the depraved and power hungry chief of Miami Customs, Martin Cullen. Disgraced and dismissed, Jack swears revenge and goes to work for Roberto Largo, a rich, evil Cuban crime boss, as bodyguard for his smoldering wife, Eva. Jack knows Largo is connected to his old boss Cullen and is determined to learn the secret that will bring him down. Trapped in a deadly game of cat and mouse, held captive by his passionate affair with Eva, Jack must figure out the significance of the mysterious Spanish Rose to survive.

Race-car driver Blaine Striker grows concerned about his younger brother, a student at a medical school on the Caribbean island of St. Heron. General Turner has led a violent coup on this island and may be planning to blow up the school in order to blame the destruction on counterrevolutionaries. Striker infiltrates St. Heron, is captured, stripped to his tighty-whiteys, and electrotortured. He escapes, joins forces with the counterrevolutionaries, and foils a plot to assemble Russian missiles on the island.

The title says it all. There's a mix up involving stolen diamonds which Ernest has (naturally) made into a yo-yo and given to his would be girlfriend, Rene. But Rene wants a man of action, and doesn't think that Ernest fits the bill. After the bad guys come looking for the stolen diamonds and kidnap Rene, all of her fantasies come true as Ernest has to go to Africa to rescue her.