In the 1950s, a young woman named Eilis Lacey leaves her native Ireland in search of a better future in the United States. With a heavy heart and the promise of opportunities, Eilis embarks on a transatlantic voyage filled with uncertainty. Once in Brooklyn, she quickly finds herself struggling with loneliness and adapting to her new life. The hustle and bustle of the city is overwhelming, but the warmth of the Irish community provides her with a sense of relief.