The movie you are referring to is "The Age of Adaline" (2015). It tells the story of Adaline Bowman, a young woman who stops aging after a car accident combined with a lightning strike when she is 29 years old. From that point on, she remains physically 29 for nearly eight decades, living a solitary life to keep her secret hidden. Over the years, she changes her identity every decade to avoid detection. Eventually, she meets a man named Ellis Jones, which reignites her passion for life and love. After a series of events, including a second accident and medical intervention, Adaline begins aging again, allowing her to finally grow old naturally with Ellis
. The film explores themes of immortality, loneliness, and the desire for human connection despite extraordinary circumstances. It stars Blake Lively as Adaline and features a romantic and dramatic plot centered on her unique condition
