Slade has returned to Los Angeles and Summer doesn't know anything about it, until her friend Ethan tells her about it. Later when Matt sees Summer and Slade together, he gets jealous. But Summer tells him that she will tell Slade about them. Then before Summer gets the chance to tell him, Ethan tells Slade about Matt and Summer's relationship. Slade confronts Summer and she tells him the truth.
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.