Stuck Between Cars, Love, and Racing.... The Liu Twins Amber And Jonghyun Will Be Given The Chance To Win It All In A Race With Their Heart Or Lose It All Against The Mind

The 4 member girl group f(x) need one more member to start training for there debut, so they start to sneak around the S.M building for trainees, but once they were about to pass the recording studio they get captivated by a husky voice that's pouring all its emotions into a song