Dr. Keith "Bud" Ricks (Brian Wimmer) returns to Florida to head an ocean research team; with Colleen Flynn; Payton Haas; Jessica Alba.

Keith, Pam and Mike investigate an explosion and are surprised to find a salvage ship already at the scene of the wreck.

A deranged man plants bombs at the research institute; Mike and Maya discover their feelings for each other.

A friend of Keith's is accused of beating dolphins caught in his tuna nets, including one of Flipper's playmates that Mike and Maya try to rescue.

Acting under orders from a Cuban hotel owner, a former college friend of Keith's kidnaps Flipper for the hotel's dolphin show.

Keith and brother Sandy track down "shark finners" -- people who slice the fins off live sharks for use in soup.