When a group of old college friends, now in their 30s, gather over Christmas at their recently deceased friend's remote mountain cabin to celebrate his life, they see it as an opportunity to come together as the cohesive unit they once were. But time has passed, and as old secrets and resentments surface, they realize that they are more seriously estranged than they had imagine...。以小池真理子的小说为基础,讲述读大学哲学科的平凡学生阿珠,被研究生论文导师提议做记录某个专一对象生活和行为的“哲学跟踪”,于是开始跟踪邻居一家的丈夫的故事。。