Jina (Gong Seung-yeon) is the top employee at a call center, but despite talking to customers all day, she shuts out the world beyond her headset. When tasked to train a friendly new hire (Jung Da-eun), her armor is threatened. This subtly poetic directorial debut is a "stirring portrait of the cages we build for ourselves and questions how and when we may want to be free of them," (Ms. Magazine).