In 2050, the world was devastated by a huge pandemic, the Silver Plague. The world was devastated and for most, showing symptoms meant a certain death. But for those that survived, it was a new start.

After an epidemic, a quarantine zone is created, dividing the country in two. Three years later, Yeontae and Jinkyu who live in the sane area and have been raised in the fear of the virus and 'the other side', start their military service. But what will happen when they find out what's really going on on the other side ?

Who is considered bad when the world is a constant battlefield and your only aim is to survive each and every day?