Columbia University professor David Swift is called to the hospital to comfort his mentor, a physicist who's been brutally attacked. With his last words, the dying man gives his former pupil a seemingly random string of numbers that could hold the key to Einstein's last and greatest secret. Einheitliche Feldtheorie. The Theory of Everything. Einstein's proposed Unified Theory — a set of equations that could explain all the forces of nature — would have revolutionized our understanding of the universe. But Einstein never discovered it. Or did he?