1x4 - Sh**ting Stars

A humiliating video of Han Byeol gets shared online, and she becomes a YouTube sensation overnight. She's annoyed that it's all because of Tae Sung but worries about his stress level. The first shooting of "The World of Stars" begins! However, Tae Sung's new manager Jung Yeol ruins the mood on set. It's up to Han Byeol and the PR team to get things back on track.