Stalkers and even expeditions die or end up sealed on the lost territories. The entire levels vanish in the outbursts of anomalies. There are no more reliable and relatively safe roads. An immense blow-out of anomalous energy changes the Zone. A group of stalkers has for the first time reached the very heart of the Zone - Chernobyl Nuclear Power Plant, and brings about a cataclysm on the brink of a catastrophe. The story of S.T.A.L.K.E.R.: Clear Sky brings the players one year prior to the events of the original S.T.A.L.K.E.R.
