In this episode, Seo-jung is unexpectedly delayed and locked inside a room just as it's nearly her turn to perform, causing concern among those waiting. Despite being told she won't go on stage, Seo-jung declares she is ready to seek revenge, signaling a personal vendetta. Meanwhile, the ballet company introduces a new dancer named Lee Seo-yeon, capturing attention and raising questions about her role. The episode ends with rising tension as Seo-jung prepares to confront her challenges, while Seo-yeon's arrival hints at upcoming shifts within the troupe.