A beautiful Olympic hopeful disappears after a savage shark attack and Eddie's brother Bobby arrives for a weekend visit.

Stephanie is recruiting lifeguards for the annual Lifeguard Sailing Regatta where they will compete with the lifeguards of South Bay. Stephanie, Caroline, Cody, Newman and Barnett sign on, including Neely who reveals that she has a personal grudge against the lifeguard in charge of the South Bay team, Kurt Daniels, who was her former boyfriend and Neely is determined to win the race to get back at him at any cost.