Hwang Seojin is a military squad leader. She's the perfect definition of "Blood before Honor". She supported her siblings to the point that she sacrificed her entire childhood for them to live peacefully and she will do much more to protect them from harm. Hwang Hyunjin the aspiring idol. He's the middle child, younger than Sejin by one year. He loves his siblings with all his heart considering that his all he got and he'll do anything for them even if it could lead to his death. Hwang Min-jun the lucky one. He's the youngest of the three, he's studying in the Hyosan high where the other two graduated. He's close to his siblings especially to his sister being his role model he's spoiled rotten by his siblings but not that much. What will happened if an apocalypse break out happened in Hyosan high? With the Hwang sibling far from each other, will they survive without the other? Will they reunite alive and survive or will they die before reuniting? With the Hyosan high being ground zero will Min-jun survive with his friends to reunite with his siblings? With Hyunjin whereabouts being unknown do you think he'll risk his life to reunite with his siblings? How about Seojin? Will she succeed on rescuing her siblings along with their accompany? Read more to find out