A time machine has been created in the distant future. The employees of the rescue center bring back to life those who suffered disasters and died in the past - three hundred years ago, two thousand years ago and further, further into the depths of centuries and millennia. There are already more than 700 million people who were taken from the past and thereby saved their lives, but this is only a small part of those who have to be saved from death. The rescue service will continue to return billions of people from the oblivion of the past for many years to come and transport them into the future! One of the employees of the rescue center is given the task of providing assistance to the crew of the starship, the commander of which is Leonid Gorbovsky, already familiar to many readers...