A schoolteacher becomes the mentor of a talented young miner and seeks to get him into a university.
Schoolteacher Lilly Moffat is dismayed by conditions in a Welsh mining town. She sets up a school to teach fundamental education to the villagers. Her housekeeper and daughter oppose the project, as does the local Squire who will not rent her space. Using part of her own home, she goes ahead with Miss Moffat's School. One of her students Morgan Evans turns from bully to brilliant student.