Magnum, P.I. (1980)

Thomas meets up with an old friend from high-school, Goldie Morris. He finds that she has lost her rather goofy looks from her younger days to become an attractive woman, but hasn't lost any of her extremist protestor ways – something that comes to the fore when she voices her disapproval when learning that he is delivering some important papers on behalf of Higgins to a visiting unpopular third-world President, known for living a luxurious life while letting many of his people starve. But Goldie has a job for Thomas, hiring him to find a trained dolphin that was recently kidnapped from a local sea life park. She admits that she was part of a liberation group that took the dolphin, planning set it free, but it becomes apparent that the two men that were in on the dolphin-napping plan to use the highly-trained creature in a far more sinister plot...