Josey Aimes needs a job and goes to work at a Minnesota steel mine after splitting with her violent husband. But the job proves to be almost as harrowing as her marriage. The male miners are resentful of women taking their jobs, so the men verbally abuse and play humiliating pranks on the female miners. After being physically assaulted by a coworker, Josey tries to fight against the harassment, but none of the other women will join her case for fear...