Adaline Bowman is a young woman, born at the turn of the 20th century, is rendered ageless after an accident. During her 107 years of being alive, she notes that she is late for work at the downtown library’s office of archives. One night, she is walking home when two FBI agents put her in a car and try to take her on an airplane. After many solitary years, she meets a man who complicates the eternal life she has settled into..