Everyone has a soulmate, each pair of soulmates can be found with their special symbol that can be located on their wrist, arms, neck, and ankles. They have a special bond that is unbreakable, this also makes them live together forever. They only have feelings for each other.

Lee Y/N is Korean but born in America. After managing to get her hands on some BTS concert tickets in LA, she meets her soulmate, whom she will share the rest of her life with, Jung Hoseok.