When Mitch is in his tower, he sees a little girl named Bridget activating a hand grenade. He runs to her and throws the grenade into the water just before it explodes. Then he finds another hand grenade next to two little boys. Cody comes over and he helps Mitch locate the broken box on shore and account for all the grenades that were stored there.
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.