Doug is a Secret Service Agent who has just completed his stint in charge protecting Tess Carlisle—the widow of a former U.S. President, and a close personal friend of the current President. He finds that she has requested that he not be rotated but instead return to be her permanent detail. Doug is crushed, and—after returning—wants off her detail as she is very difficult to guard and makes her detail crazy with her whims and demands.

'Pleasantly plump' teenager Tracy Turnblad achieves her dream of becoming a regular on the Corny Collins Dance Show. Now a teen hero, she starts using her fame to speak out for the causes she believes in, most of all integration. In doing so, she earns the wrath of the show's former star, Amber Von Tussle, as well as Amber's manipulative, pro-segregation parents. The rivalry comes to a head as Amber and Tracy vie for the title of Miss Auto Show 1963.