Through the short two-month winter break of three high school students, the novel sketches the face of contemporary South Korean youth, revealing the truth behind the decline of South Korean families and society. Wu Caiyun transfers to a new class, and the homeroom teacher uses a novel format when asking him to introduce himself: he must say five sentences, one of which must be a lie, and the classmates must guess. Between truth and lies, the story unfolds slowly… The protagonists, Zhiyu and Caiyun, are two boys from unfortunate families, while Suli is a girl. The three children initially have little interaction, but during the winter break, a subtle connection emerges, and they delve into each other's pasts.
小说通过三名高二学生短短两个月的寒假生活，勾勒出当代韩国青少年的面貌，进而窥见韩国家庭和社会的沉沦真相。吴采云转到新的班级，班主任让他做自我介绍的时候采用新颖的形式，说出五句话，必须有一句是谎言，让同学们来猜。真实和谎言之间，故事徐徐展开……主人公智宇和采云是两个家庭不幸的男生，素莉是个女生，三个孩子本来交集不多，寒假期间却有了若隐若现的关联，互相走进了各自的前史。
小说通过三名高二学生短短两个月的寒假生活，勾勒出当代韩国青少年的面貌，进而窥见韩国家庭和社会的沉沦真相。吴采云转到新的班级，班主任让他做自我介绍的时候采用新颖的形式，说出五句话，必须有一句是谎言，让同学们来猜。真实和谎言之间，故事徐徐展开……主人公智宇和采云是两个家庭不幸的男生，素莉是个女生，三个孩子本来交集不多，寒假期间却有了若隐若现的关联，互相走进了各自的前史。
