A huge asteroid collided with the Earth, plunging the planet into chaos: the ozone layer disappeared, sunlight became deadly, animals mutated into monsters, and people were divided into forest savages-corpse-eaters and warlike mountaineers. And everyone has only one goal - to survive at any cost. Cyrus, a lone hunter who has perfectly mastered the art of survival, saves a stranger, mesmerized by the singing of a siren, from a terrible death, and he turns out to be the last hope of humanity. The guy who introduced himself as Artyom was the only one of many who was able to advance so far on the deadly path to a secret bunker, where it is possible to launch a program to save the planet. Will the last Prometheus be able to help people and at what cost?