Apocalypse. The world is almost destroyed by a terrible epidemic. Survivors are forced to hide underground from the consequences of the disaster. You are a group of people who, in search of resources for survival, accidentally stumbled upon a vault, which at first glance was no different from other abandoned room. But as it turned out, a strange scientist who tried to save humanity from a terrible virus lived in this vault earlier. Will you be able to finish the work of a scientist and put an end to the terrible virus and save humanity?