Private Detective Petros Stavrianos receives an urgent call from Traianos Demou, a world famous astronomer and a former classmate. Demou urges Petros to visit him on the island of Samos, the legendary birthplace of Aristarchus, the ancient astronomer. The professor feels his life is in danger. Soon, Petros will realize that not only his classmate has a sworn enemy but a startling new discovery based on the works of Tycho Brahe will cause havoc throughout the world.

The clock is ticking for the unprecedented revelation and Petros has only two days to save the professor and his own life from an intricate conspiracy.