What if we are unable to hear, one day? ‘Silence’ arrives unannounced, to the peaceful daily lives of the residents in the Mapo-gu and Seodaemun-gu area. The strange phenomenon, of which causes sound to disappear in only these two areas, brings about a housing market crash and the residents start to leave. However, Naul, a college student in a state of depression after the death of her mother, stays at home, unable to leave. Then, she realizes that she’s not the only one unable to leave. Naul visits the place where they gather, and meets Jisoo, a barista with hearing disabilities. What kind of path will they take in this silent world?