The purpose of this article is to consider the problem of losses that appear in the course of the novel『The Last Witness』turns into a movie [The Last Witness]. 『The Last Witness』is supported in the three different levels of narrative text. Those are "the investigation story of Oh-byeongho", "past history revealed in the course of the investigation" and "the narrative to act in order to correctly restore the value of the distorted". The axis of the three narratives reveal the meaning and alternating with each other. There is a need to consider the phenomenon in which the axis of the three kinds of narrative exchanges to overall view of what narrative means. Loss occurs when the meaning of the novel to create a movie. Be interpreted with the genre grammar, especially when there is a risk to be reduced meaning. To this end, this paper have examined to interpret 『The Last Witness』based on the detective narrative grammar through [The Last Witness]. [The Last Witness] Deploy in accordance with the grammar of the detective narrative. There are the tribulations of the figures revealed in the course of the investigation and trying to catch the real killer of Oh-byeongho. Results in the axis of the narrative it is greatly diluted to express the character"s behavior and frustration that properly to reconstruct the damaged value. This is limited by the terms of the genre of detective narrative grammar to interpret the text in the results occurred.