While Alex and Mitch are walking down the beach, they get a distress call. When they arrrive to the scene, a lot of people are coming out of the water holding their stomachs. Mitch thinks that the water has been polluted and immediately closes the beach. But the water is not polluted. It was just a hot dog vendor who sold bad hot dogs. At headquarters when they are taking care of the victims, Newmie answers the phone and when Mitch picks up the phone he is surprised to hear Tanner's voice. But the phone call is cut off.
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.