“Are we human or might we be something else?” This is a question that college biology professor Bill Krammer has pondered for years. After Bill has an affair with a student, then loses both his job and his wife, he turns his attention to exploring the mysteries of life that have intrigued him for so long. Bill embarks on a quest taking him to ancient ruins, hidden tribal villages, and bustling cities, all while attempting to recapture true love. At the end of his journey he makes a startling discovery regarding the origins of the human race.