The novel is set in a small frontier town of an unnamed empire, where the magistrate lives a life of civil service and relative peace. His world is disrupted when the Empire declares a state of emergency due to rumors of barbarian uprising. The magistrate becomes a critic of the Empire's brutal and inhumane methods of dealing with the perceived threat, which leads to his arrest and torture. As he tries to understand his role in the vast political machinery, he also grapples with questions of power, justice, and humanity.

"Giants in the Earth" is a historical novel that chronicles the story of a Norwegian pioneer family's struggles with the land and the elements of the Dakota Territory as they try to make a new life in America. It is a profound and accurate depiction of the trials, tribulations, successes, and failures of pioneer life, emphasizing the harsh realities of adapting to a new environment. The novel explores themes of man versus nature, cultural displacement, and the pursuit of the American Dream.