Sherry's carefully planned labor goes awry when she goes into labor early and Christopher is out of town. Sherry asks Rory to be with her at the hospital, which reminds Lorelai of the day that Rory was born. Flashbacks tell the story of 16-year-old Lorelai as she learns she is pregnant, decides not to marry Christopher, and ultimately leaves home with her new baby. Luke goes on his first date with Nicole.