The series will follow the cast as they travel internationally and connect with locals through Korean games. They'll start off with the 'I Am Ground', self-introduction, game and introduce others, such as the 'Zero Game,' 'Silent 007 Bang', 'Mugunghwa Flower Has Bloomed Game', and more.
When a famous singer travels forward in time, he learns that he went missing in the year 1994. While investigating his disappearance, he bonds with a music student, who unbeknownst to him, is his son.