Kim Seoyeong or Amara Kings, was Jung kook's first and only friend, they used to do everything together, especially singing together. But their friendship was to test when Amara had to move to America with her family. Although they keep in touch via telephone, they were not able to see each other's face. Years later, Jung Kook became a trainee and Amara became a star who kept her face behind a mask. One day Amara went back to Korea for a show call "I Can See Your Voice" and BTS is the guest of the show. Will Jung Kook remember the voice of his best friend? "Please, don't forget me Jungie." "I will never forget you Yeongie, I will always remember you."