Bioengineering technologies have finally solved the problem of restoring any damaged organ to an ideal state. The heart is no exception. But an incomprehensible effect appeared. Every third person with a restored heart no longer ages and has become immortal. Society was divided into two categories: “eternals” and “mortals.” Ageless people, according to the general belief, disrupt the natural biobalance of the planet and lead to a civilizational catastrophe. While scientists and politicians are trying to find a way out of this situation, some citizens seem to have already found it...