C.J. thinks about her future as she spends more time with Keith and helps to rescue a stranded dolphin. Meanwhile, the ghost who haunts Summer's hotel room, named Rupert, takes her to be the love of his life who betrayed him and plots to reenact the tragedy that drove him to suicide 50 years ago, while Matt tracks down the real elderly woman who was involved with the death Rupert. After Buzz accidentally falls off his schooner into the ocean, Mitch dives in after him and the two struggle to stay afloat while awaiting rescue. When Hobie and Kyle realize that their fathers are missing, they pressure Stephanie and C.J. to look for them.