Devil in the Flesh (Le Diable au Corps), which is accomplished by adolescent writer Raymond Radiquet, appeared in 1923 instantly it attracted the attention of critics. The most commented are the immoral affair related in the work and writer’s precocious talent to present it. Most of the latest researches are based on biographical and cultural aspects, while other researchers grounded their studies on theories of poetic and focused on genre, theme, structure and narrative. This piece by Radiguet possesses characteristics of an autobiographical novel. Most of the details described in his work reflected existed reality in his real life; nevertheless, the death of the heroine, Marthe, at the end of story is no experienced fact by the author. This paper will develop its arguments on the basis of narrative, to examine how narrative rhythm leads to the culminating point of Marthe’s death at the end of the text by means of composition of speeches and that of plots. Then, we will bring up some possible reasons explaining why the author lets the heroine pass away. Lastly, artistic process of the writing will be unfolded, helping realize how Marthe’s death obtains its symbolic meaning, while staying both reasonable and verisimilar in the novel.