Volatile politics of the Reagan era connect America's female terrorist group to a plot to set off the feared super volcano in Yellowstone Park. A young Native American girl running for governor of Montana and the pianist for a Southern gospel quartet discover and spoil the plot during a revival in the Montana Rockies. They also discover one another. But he is a potential FBI agent from Washington, DC, and she is a rodeo queen from Montana. The course of love does not run smoothly, but a love for Big Sky Country and a drink of creek water brings them together.