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.

In fur-trapping country, a man depends on his single-shot rifle and his courage. One of those men is Flint Mitchell (Clark Gable), who heads into Blackfoot territory with his fellow mountain men -- and with his new Blackfoot bride (María Elena Marqués) who may be the key to their safety in the dangerous land. Mitchell is a rough, buckskinned man of action and Gable shows he's more than rough enough to portray him in a brawling, breathtakingly beautiful...