Namjoon will do everything just to protect his son, Jungkook. the boy had been hidden from the outside world, and doesn't know anything that had been happening in his surroundings. One day, the boy had gotten a chance to go out, bumping into someone which later became his friend. Jimin is an infamous criminal, he's a true psychopath and had killed every rivals of his. What would happen if he met a boy that he later took interest in?