Screenwriter Misato is deeply focused on writing at home when suddenly she overhears a heated argument between a man and a woman echoing from the elevator lobby. Sensing something off, she listens closely and recognizes a familiar voice—could it be her next-door neighbor, Ryoko Nagase? Wondering if this incident could become material for her script, Misato opens her front door, curiosity stirring. An ordinary day takes an unexpected turn, planting the seed for a new story.