Jungkook, since his birth, had been visiting his grandfather in the countryside, and there was a valley that his grandfather prevented him from going there. After 24 years, Jungkook runs into the hospital because he received the news of his grandfather’s death. The doctor gives him a paper that his grandfather left for him before his death, its contents:

"Jungkook, my son, I am giving you all of my property, but I have one commandment for you, that valley that I was preventing you from going to, go there... She's waiting for you... happy life"