When Josey Aimes (Academy Award winner Charlize Theron) returns to her hometown in Northern Minnesota after a failed marriage, she needs a good job. A single mother with two children to support, she turns to the predominant source of employment in the region - the iron mines. The mines provide a livelihood that has sustained a community for generations. The work is hard but the pay is good and friendships that form on the job extend into everyday life, bonding families and neighborhoods with a common thread.