HBO goes behind the scenes of their latest original series, John from Cincinnati.
Mitch bans Shaun from a competition; Butchie takes John under his wing; Meyer orchestrates the sale of the Snug Harbor motel to an unhinged lottery winner; Cissy's shopping trip ends at the police station.
Linc makes another pitch to Mitch about sponsoring Shaun, who makes a lasting impression in his first event; Butchie is confronted by a drug dealer at the motel, but bad news changes the tone of the meeting.
Dr. Smith, the Yosts, their friends and the media try to make sense of a startling development regarding Shaun's condition at the hospital.
John has an encounter with some local thugs; Kai makes a connection with Butchie; Vietnam Joe introduces Dr. Smith to a new patient; Shaun's porn-star mother arrives in Imperial Beach.
Zippy issues Bill an unusual mandate; Shaun's porn-star mother lets the Yosts know she's back in town.
Butchie sets up a mother-son reunion for Tina and Shaun, and Bill and Cissy revisit history with help from John.
Linc's authority at Stinkweed is threatened; Ramon oversees a new construction project at the motel; Palaka receives medical attention from Dr. Smith.
The locals in Imperial Beach worry about Shaun after a cryptic warning from John.
Mitch seeks helps south of the border; Cissy organizes a search party; Bill loses a trusted source of information; Palaka's gift ends up with an unintended recipient.
In the first-season finale, Butchie and Kai are greeted with a pleasant surprise; and Stinkweed's haphazard parade wends its way through Imperial Beach.