Paul Le Mat lives in the small town Union, Nebraska in a kind of junkyard owned by his dad Roberts Blossom. He operates a CB citizens rescue service that helps motorists in need, and he's becoming increasingly annoyed with CB users who are breaking the rules ... cluttering channels with nonsense and refusing to give up channels in the case of emergencies. He sets out to track them all down and put them out of commission.
Blossoms is a retired trucker, who disconnected and drinks heavily, but tends to come to life when talking to his old friends on the CB. Le Mat had been dating Candy Clark, but she left him due to his resistance to moving away from Blossoms. He commits to moving out and tries to get back with her, not realizing that she has been secretly dating the local high school coach Bruce McGill ... Le Mat's brother.
Meanwhile, trucker Charles Napier crashes his truck outside of town and has to camp out in Union while he heals and his truck is getting fixed. He calls his wives ... one in Dallas and one in Portland (Ann Wedgeworth and Marcia Rodd) ... to tell them he'll be laid up for a while. Unfortunately, both come to town to see him and become aware of each others' existence.
Jonathan Demme's first studio film bears some resemblance to a Roger Corman outing. It's not wildly different in tone from one of Corman's car chase comedies like Ron Howard's "Grand Theft Auto" (released the same year) and it has a definite exploitation element with it's tapping into the CB radio craze.
It's ultimately not much like a Corman film, and it really points in the direction his career will be heading. The sprawling, character rich script by Paul Brickman (who will go on to write and direct "Risky Business") plays a bit like a Robert Altman film with the misanthropic streak replaced by a deep humanism. The "bad guys" in this film ... Harry Northrup's neo-Nazi, Ed Begley, Jr.'s radio preacher, McGill's deeply jealous brother ... are all redeemed to some degree by the film's end, and it ultimately feels like a statement about how maybe we all can just get along. Even the Napier bigamy plotline is resolved in a surprising way with the help of Napier's prostitute friend Alix Elias (to whom the film takes an equally nonjudgmental view of).
Given the CB craze's similarity to internet culture, it's interesting what a really positive stance this film ends up taking, with everyone's ability to adopt different identities being looked at them being allowed to become who they really are.
