The novel tells the story of a young Irish woman, Eilis Lacey, in the 1950s who, unable to find work at home, is sent to Brooklyn by a helpful priest where she builds a new life. She finds work, studies to become a bookkeeper, and falls in love with an Italian plumber named Tony. However, a family tragedy forces her to return to Ireland, where she must choose between her new life in America and her old life at home.