a story that connect present to the past, San, a six years old boy had a dream about his mother,which made him curious...and this curiosity leads him to ask his father about his late wife... on the other side of the story his father wasn't ready to tell him anything... so with a slip of tongue,San ended up telling his father ,the dream he had.... and that was the moment when jungkook knows the past is about to be reopen soon and that's his last chance to save everything.... to save his love ones... and fulfill his hyung seokjin's promise And most importantly ,to solve the mystery of the seven secrets "AGAIN"