Hyun ______  is an international spy that are very professional . One day , Hyun is instructed to investigate about Mario who is an artist from CUBE Entertainment that are been suspected involved in ilegally activities . Lee Joon (i choose Lee Joon from MBLAQ as leader to Hyun) who is Hyun's leader asks Hyun to become an artist to make her work more easily. Firstly , Hyun don't want to become artist but she have to . She go to the CUBE Entertainment audition and she has been helped by Lee Joon's father's friend that is a Manager of CUBE Entertainment, Mr. Hong Seung Sung .

That day .. 

Hyun goes to the CUBE Entertainment building and participate for the audition . Before the audition , she asks Mr. Hong that the song that she will sing have rapper's part . So , did she have to sing that part too ? Mr. Hong said that he will asks Yong Junhyung from BEAST to sing that rapper's part . So , Hyun sing Song Ji Eun's song , Going Crazy for that audition.

After 2 days , Hyun received a letter from CUBE Entertainment and she been told that she is successfully pass the audition and will become trainee at CUBE Entertainment . Lee Joon advise her to be careful because now Mario is in one building with her. Lee Joon asks her to be more careful and don't until anybody else know that she is a spy . And the most important thing that Lee Joon told Hyun , not to fell in love when she is on her work ! Hyun know that and now she will moved to CUBE Entertainment hostel building as a trainee there ^^