She also didn""t believe his vow that he didn""t kill her mother.When he warned: "You and the baby are in a lot of danger," she threw him out of he car ("F--king psycho.To restore the original Hill Valley to its better state, "Doc" and Marty had to travel back to the year 1955 to the time of Marty""s and "Doc""s" previous visit (in the first film) - November 12, 1955 - the date that older Biff gave his younger counterpart the almanac, and prevent the incident from happening.Benji led him to the signal""s location through a maze of streets and dwellings along the waterfront, where he found Julia in a small medical clinic after eliminating her two bodyguards.As she covers her mouth with a dainty handkerchief, she realizes his true love:Marguerite: (She grasps his hands) You might have asked to see me.