The emotional background of the novel is that a 21-year-old female doctor falls in love with a 31-year-old elite returnee from overseas. The girl flew into the flames but could not get the sense of security she wanted, and left sadly; the man returned to England after being sad, but met an art exchange student who looked exactly like the girl in a foreign country, and he could no longer suppress his longing for her... The man soon fell in love with the exchange student, but he could not let go of the girl in his heart and was full of guilt. As the relationship deepens, the man feels more and more that the exchange student looks like a girl. A series of strange events seem to hint at the relationship between the exchange student and the girl. The man is unable to extricate himself from love and guilt, and his love with the exchange student gradually becomes weird and confusing...