Contact between most towns on Earth has been severed. A small ring-like area in Eastern Europe still has electricity, and maybe even life is being reported from space. What military forces find outside the ring is shocking.

A band of determined Russian soldiers fight to hold a strategic building in their devastated city against a ruthless German army, and in the process become deeply connected to a Russian woman who has been living there.

December of 1941, Northwestern Front. A German tank column is moving towards Moscow. During a mission to stop the enemy advance, Nikolai Komlev's IL-2 is shot down. Komlev manages to crash-land his plane in a remote forest clearing. He's alive, but far from friendly territory. Ahead of him is a relentless trial of severe physical and mental endurance. After battling hunger and extreme cold, evading packs of wolves and detachments of Nazi soldiers, the wounded Komlev finally makes it back to safety. But there he faces another challenge, the most life-changing of them all.