Zone. This is not just an unusual and dangerous place. It's not just the result of a fatal error risky experiment. It is not part of the world. Zone - the lively and unpredictable and fickle world with its laws and regulations. Or no rules. No one can explain why such a zone, it appeared as a change. It is impossible to understand the Zone with logic and emotion. It can learn to measure and describe. But it is impossible to understand.
Zone hides many secrets - like his own and introduced from outside. Adventurers, calling themselves stalkers, trying to unravel these mysteries. Some succeed, but most disappear forever in the zone. But that's not stopping new seekers - the danger only attract more and more restless souls.
In 2013, a stalker named "Shroud" random touches to one of the secrets of the Zone. He learns a secret about a certain secret research group at the center of the zone. No one knows their goals. We only know that the actions of this group can have disastrous consequences. What is actually happening at the center of the zone and to be seen savannah. But for this it is necessary to expose a secret group and decide the fate of "Spectrum".