Adaline Bowman has miraculously remained a youthful 29-years-of-age for nearly eight decades, never allowing herself to get close to anyone lest they discover her secret. However, a chance encounter with a charismatic philanthropist named Ellis Jones reawakens Adaline's long-suppressed passion for life and romance. When a weekend with Ellis' parents threatens to expose the truth, Adaline makes a decision that changes her life forever.