Jung-seok hesitates when IU advises him to rap. Unsure if he can do it, his team seeks Dynamicduo's guidance. Later, his secret YouTube channel soars.

"The 99s" gather at Jung-seok's studio for a listening party. Disheartened by their feedback, he walks out in frustration. Can it really be that bad?

Jung-seok can't believe his luck as his star-studded network rallies behind his music video, with Kong Hyo-jin as the lead and Jung Kyung-ho directing.