The four best lifeguards in a competiton will join Stephanie for a trip to San Diego. Matt, Summer, Mitch and C.J. are the ones who end up going with her. They go to San Diego in order to show the effectiveness of the scarab because the San Diego lifeguards don't have one yet. The gang stays at the Hotel Del Coronado.
Strange things start to happen to Summer in her hotel room. She sees a man in the mirror and all the time, she feels like someone is watching her. When she tells Stephanie about it, she goes to Captain Dawson of the San Diego lifeguards and asks for advice. He tells her that it's said that the hotel room is haunted by a ghost. The ghost is supposed to be a man named Rupert Mansfield who jumped from the balcony in the 1940s. He and his girlfriend Diana Sutherland was supposed to jump together, but she didn't go through with it and Rupert has been haunting the hotel ever since.
Meanwhile, C.J. goes to Sea World and gets attached to an orphaned dolphin named Rocky. She also