And again, the team of the scientific frigate sets off to the unexplored regions of the Galaxy to unravel another mystery. On one of the uninhabited frontier planets, a clearly defined area of ice glows brightly - so that at night it can be seen even from space. What is this - a natural phenomenon or the work of human hands? Is this strange phenomenon a threat? Finding out this is a task for a ship in the Empire’s scientific fleet. From the author: I can’t believe it myself, but... I’m writing again about Erica Maan and her colleagues. Half my life ago I put this cycle on hold; I didn’t believe my words when I promised my readers to return to it one day - and now I’m back! I don’t even know what will happen in the end and what the readers who have read the cycle will experience, the first two parts of which were written so many years before the third... However, let’s go!