Bucky Allen, the owner of Bucky's Ocean Grill has arranged a shark derby. He does it just so that he can gain publicity. In order to try and make the derby more successful, Bucky sends two brothers, Roy and Matt, down to the bottom of the ocean to plant a device that attracts sharks. The water becomes full of sharks and even more sharks arrive, when the entrants start traveling back and forth on the water. Cort and Eddie enters the derby. Thorpe and Hobie are also in the derby.
This long-running series follows the adventures of a team of lifeguards on the crowded beaches of Los Angeles County. Veteran lifeguard Mitch Buchannon watches over the younger lifeguards that come and go with each passing season as they keep the beaches safe for vacationers. Frequently he must take action to save them from the raging seas and from the raging tempers that sometimes flare up between the young guards in this stressful job.