Without a way home, Verne and Marty spent the night at a victory garden in Courthouse Square. Marty was attracted to Rosie, earning him the ire of Sergeant Frank Tannen. While running away from, Tannen, Marty accidentally enlisted in the United States Army. Meanwhile, Verne befriended Rosie's sister, Dorothy, and soon discovered that when she gets older, she will become his dancing instructor in 1992.