Kim Taehyung was a gentle man who lost his wife and had a cute son. jeon jungkook was a pure and innocent looking man who has autism. both have different worlds. Taehyung know about how cruel the world sometimes will he able to protect his family... while other side jungkook don't know anything about the world. he needs someone protection and care. what if their both worlds will collide. will jungkook able to provide love and care to his family? will jungkook survive in this cruel world? Tae: jungkook-ah i will protect you. kook: I was just your responsibility. I don't wanna burden you.