He was there when they needed help. He was their pillar of strength and their hope. He never utter any complains nor show any signs of giving up despite people forgetting who he was. Who is he? He is a living legend. A sunbae who would sacrifice his time and his song parts to his hoobaes. A smile that brightens his hoobaes hearts in time of darkness. But what happen when the family pillar of strength left? Will the hope that the sunbae give them still standing strong or will his hoobaes give up and shatter like his own group? There's a secret, a BIG SECRET that he is hiding and even Lee Soo Man didn't know? The secret that will cause tears and heartache during SMTOWN concert. What is it? What is the big secret?