Sidney Poitier

Montaro Caine, CEO of the Fitzer Corporation, is losing control of the company he built. At this moment of crisis, a man and woman appear at his office with a coin of unknown provenance, composed of a metal unknown on Earth. Montaro immediately recognizes it as the companion of a coin he analyzed as a graduate student working in a lab at MIT, which was later returned to its unidentified owner. But the value of the coin lies not in its monetary worth...