Jungkook and Yuri have been dating for three years. After finding out that Yuri and Suga slept together Jungkook runs off trying to find solace in jumping the trains and traveling around South Korea. On his travels he meets Mina, a mysterious girl who seems to be missing a few screws. Yuri and Suga try to cope with their guilt and due to the falling out of his friends Taehyung has a mental and emotional breakdown. Is V's failing health the cause to bring the boys together? Before Jungkook can face them again he first needs to heal. Is Mina his answer?