During a concert, Jinyoung notices a girl in the crowd that’s different from the rest. After finding out her relation with another member in the group, he becomes hopeful that he can get to know more about the mysterious girl that had his mind occupied the whole night. Before he can get the chance to give her his phone number, she abruptly disappears. The timing for Jinyoung’s encounter for her have not been in his favor. Will he be able to meet her once more to give her a slip of paper that would ensure their possible future together?