Deadly dance tournament is carried out in the city survived after nuclear apocalypse. Energy is extracted from the loser for the city to survive. A young guy from the street is forced to take part in the tournament and falls in love with girl who volunteered to participate in the battle. Will they survive or the arena will take their lives?

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.