Lorelei Lee is a beautiful showgirl engaged to be married to the wealthy Gus Esmond, much to the disapproval of Gus' rich father, Esmond Sr., who thinks that Lorelei is just after his money. When Lorelei goes on a cruise accompanied only by her best friend, Dorothy Shaw, Esmond Sr. hires Ernie Malone, a private detective, to follow her and report any questionable behavior that would disqualify her from the marriage.
In a changing world where television has become the main source of information, Adam Caulfield, a young sports journalist, witnesses how his uncle, Frank Skeffington, a veteran and honest politician, mayor of a New England town, tries to be reelected while bankers and captains of industry conspire in the shadows to place a weak and manageable candidate in the city hall.
Advertising executive Alan Miller, a recovered alcoholic who now does interventions on behalf of Alcoholics Anonymous, is called to help Broadway actress Jenny Carey whose developing career is threatened by an increasing dependence on alcohol. Alan's growing interest in Jenny strains his marriage to Edna, with whom he has two children.
