In the near future, the city of Stockholm is abandoned and half-destroyed. Four soldiers lie in the routine mission into the heart of the three, a sector that has become hostile and dangerous region. An old surveillance Tower ceased to work in mysteriously. What was supposed to be a routine mission turns into a struggle for survival. The four will face soon in the face of the enemy unexpectedly and exceptionally dangerous. Need to find a way to cope, the foursome did not cease to hope that they manage to escape from this situation.