That is when the biocultural theory emerges to supply good reasons behind it all. The biocultural horror theory is quite a new approach that provides logical interpretations to literature analysis. It brings together both the biological necessities and cultural aspects of the humanities. The biocultural theory applied to works of horror, provides a background to investigate the deep roots of human nature. In this paper, two prominent horror works are looked at: I am Legend (IAL) which is a novel from the 50s and The Shining (TS) which is from the 70s. Both stories will be discussed within the scope of the biocultural analysis. This analysis takes a closer look at two male protagonists in the stories and how they morally react to the world surrounding