When the night fall, humans are changing, they are indifferent, they are screaming like a monster. Their eyes are round and black, face is filled full by scars and bruises, walking like a old man but run like a cheetah.

They just like a

Zombie.

World is turning into a nightmare. Jongkook has to take out his courage to save his friend from that scary place. With those hint that he was given by his friend, he needs to find a way to take his friends to a safe place. So,

He started an adventure.