It has been two years since museum professor, John Morton, was recruited into a secret government agency and fell in love with a beautiful special agent / assassin while attempting to stop two renegade scientists determined to destroy the post-Civil War Union. But now just as he and Julia begin to build a wedded life together, her former boss reappears and shatters their peaceful existence with another assignment. After they are appointed to confront a new danger threatening to instigate a new Indian war, John, Julia, and their former team that includes Father Peter Harrigan and a blunderbuss inventor embark on a return expedition to the untamed western territories. As they face monster machines and dangers from Earth's past, now only time will tell if they can survive the new horror associated with an international criminal cartel and stop a looming war, before it is too late for all of them. In this continuing science fiction tale, a museum professor and his former special agent wife must gather their eclectic team and attempt to complete another dangerous assignment in a land threatened by the possibility of another ghastly war.