Mitch Yost goes surfing while his grandson and his son's potential sponsor look on. He thinks he sees his station wagon levitating and goes home and tells his wife, Cissy that he is having hallucinations caused by cancer.
Linc enlists a young woman, Cass, to get into the Yost inner circle. Linc visits Mitch in hopes of convincing Mitch to allow him to sponsor Shaun. Butchie tries to learn more about John, but only finds out that he's from Cincinnati. Barry is convinced one of his motel rooms is haunted. Shaun competes in a surfing competition in Huntington. Steady Freddy arrives to see Butchie.
Dr. Smith is convinced that a paranormal phenomenon has occurred among the Yosts. Bill interrogates Steady Freddy and his side kick, Palaka. Kai, from the surf shop, takes John to her trailer. Mitch seeks comfort from Cass, completely unaware that Cass is connected to Linc.
John gets roughed up by some thugs. Kai meets with Butchie and Vietnam Joe brings Dr. Smith a new patient. Meanwhile, Tina, Shaun's adult film star mother arrives at Imperial Beach.
Cass and John go around town with a camera shooting footage of a street fair. Freddy worries about his new roommate hearing his sleep-talking. Tina and Butchie go to visit Tina's son Shaun at Cissy's.
Cass doesn't know what to do with all the footage she shot. Cissy talks to Mitch about Tina's reappearance and then when Shaun disappears she goes to enlist Kai's help. Cissy goes to Butchie and tells him she wants Tina to see Shaun so he calls Tina and sets things up. Kai finds Shaun and brings him to Cissy's for a dinner with his mother.
Butchie tries to get back into surfing, but is obviously rusty. Linc's Stinkweed reign is challenged and he is encouraged to work on e-commerce. Cass still can't figure out what to do with the footage. Dwayne eyes Shaun's online future; Dr. Smith tends to an ailing Palaka and tries to reason with Freddy. Ramon supervises the building of a shuffleboard court.
Kai and Shaun give Butchie some space for practicing his surfing. Linc and Tina discuss Stinkweed and Shaun. Mark Lewinsky approaches Dr. Smith with evidence of his wrongdoing in Shaun's case.
Mitch tries to track down a reclusive "chemist" in Mexico. Meanwhile, Cissy heads up a citywide search and Palaka's good-luck gift to Freddy ends up with Barry instead.
Butchie and Kai wake up to a joyous revelation. Imperial Beach plays host to a makeshift parade organized by a revamped Stinkweed.