After helping the firemen put out a fire, Mitch, Harvey and Brooke find a little dog in the water. Mitch rescues the dog and after that, the dog doesn't want to leave Mitch. He brings the dog home and Hobie gets all excited and names the dog Sandy. When Hobie goes to stay at a friend's house for the night, Mitch plans to have a romantic dinner with his girlfriend Kelly. But Sandy keeps disturbing them and Kelly ends up leaving.
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.