S1, F1: Marketing Team 3's Official Troublemaker Lee Sang-shik. He has hit trouble. The video commemorating Gaus' 50th anniversary, which he only posted on his private channel, has been made available to the public without his knowledge. The small ball fired by Sang-shik, along with the chairman's summons to the prosecution, is causing a bloody wind that puts Marketing Team 3 on the verge of dissolution.