What happens if one day you die and you are told that you are not worthy of death and it must be earned? And part of your body consists of nanorobots that not only prevent you from dying, but also periodically improve you? However, such a problem faced every inhabitant of mankind. The second problem is that all the equipment is dead. From phone to car. And the hero is a simple office plankton. Who ultimately has to save the world. And perhaps worlds.