In 1974 Manhattan, a radical young Irish monk struggles with personal demons while making his home among Bronx prostitutes, a group of mothers shares grief over their lost Vietnam soldier sons, and a young grandmother attempts to prove her worth.
Harold Fry is convinced that he must deliver a letter to an old love in order to save her, meeting various characters along the way and reminiscing about the events of his past and people he has known, as he tries to find peace and acceptance.