Elizabeth Lane is a fictional character from the 1945 film "Christmas in Connecticut." She is portrayed by actress Barbara Stanwyck as a food writer who creates a false persona of being a perfect homemaker. The story unfolds when she is asked to host a war hero for Christmas, leading to comedic situations as she tries to maintain her deception. In the film, Elizabeth's life takes unexpected turns as she navigates the challenges of her fabricated identity. The plot explores themes of love, honesty, and the pressures of societal expectations, ultimately revealing her true self and desires.