 Kelly s father Bill Taylor, arrives in town apparently to stay, while at the same time, she again catches Colin sniffing cocaine. Joe makes a professional call on Donna s cardiologist father who discovers that Joe may have a certain heart disorder. Meanwhile, Nat refuses to participate in Steve s film festival honoring Roger Corman after the gang sees him in one of Corman s movies from 1972 titled  Unholy Rollers . Things take a turn when Joan Diamond, a former actress and Nat s old fiancée, arrives for the festival. Also, Brandon continues to be jealous of Susan s ex-boyfriend Jonathan when he phones to speak to her and Brandon doesn t leave a message for Susan.