Kilmer's Classic is a reference to the 1995 American drama film 'The Scarlet Letter' starring Val Kilmer. The film is based on the 1850 novel of the same name by Nathaniel Hawthorne and follows the story of Hester Prynne, a Puritan woman who is publicly shamed for having a child out of wedlock. The crossword solution for Kilmer's Classic is 'TREES', which is a reference to the forest setting of the film. The forest is a place of refuge for Hester and her daughter Pearl, and it is also where Hester meets her lover, Arthur Dimmesdale.