Pinky Tuscadero's younger sister, Leather, comes to Milwaukee looking for a gig. Al gives her and her group a job at Arnold's after a successful audtion, but Officer Kirk threatens to shut the place down after learning of Leather's troubled past.

After Howard refuses to let Joanie go on tour with Leather, she follows through with her threat to run away from home.

When Marion's friend is dumped by her husband for a younger woman, Marion begins to think that Howard may do the same to her.

Lori Beth reports that Richie isn't moving after they crash his new motorcycle.

Richie and Lori Beth have a fight and break up before going on a weekend trip where the band is backing up Leather and the Suedes. Meanwhile, Howard and Marion argue about women's rights.

Leather and the band audition for a television music show and are turned down. Leather's song, however, is stolen and recorded by another band.

Ralph asks Leather to the annual military ball. Ralph, under the advisement of Fonzie, learns to act like a serious gentleman, and Leather, under the advisement of Marion, learns to dress and act like an elegant lady.

Meanwhile, Marion continuously beats Howard at various board and card games.