玄珠是一名朝鲜叛逃者的女儿，因此是无国籍人士。 由于没有身份证，她不能上学，也不能做任何其他十几岁的孩子都可以做的事。 连她最喜欢的偶像粉丝大会都无法出席，因此玄珠决定冒用卓熙的身份，以换取参加代理考试。

Daughter of a North Korean defector, Hyun-joo is a stateless. Without an ID, she can’t go to school nor do anything ordinary that a teenager would do. Being unable to even attend her favorite idol’s fan meeting, Hyun-joo decides to borrow Joo-hee’s identity in exchange for taking a proxy exam.