Six hundred years have passed since the death of the Earth. Science has been able to create an artificial environment at the bottom of the ocean of Venus. Immortals live in the towers, counting their years in centuries. They are wise, so they can make responsible decisions and manage the lives of short-lived people. But a race that lives in comfort and does not develop is doomed sooner or later to decay and death. And among the immortals, a man was born capable of moving the world forward. If Sam knew that his life was long, he would not be in a hurry to live so furiously...