The novel centers on Hong Heeju, a sign language interpreter who becomes mute due to severe depression. She enters into a three-year arranged marriage with Baek Sa-eon, the youngest presidential spokesperson from a prestigious political family. Despite their marital bond, the couple has not communicated during their time together. The plot takes a dramatic turn when Hee-joo is taken hostage, and during the ordeal, she attempts to contact her husband, only for him to dismiss the call as a prank. This incident propels Hee-joo to assume the role of her own kidnapper, initiating a series of anonymous threats toward her husband. As the story unfolds, the couple confronts hidden truths and navigates the complexities of their relationship.
