This combined research and technical report discusses the concept of liminal spaces and dystopian worlds in film, and how sound shapes those spaces and introduces them to the audience, using an applied example in the short film My Days of Night. It investigates how sound gives identity to the space and how is it connected to the main character Elis’s state of mind. The report cites relevant sound theories and gives examples of films that influenced the creative approach for My Days of Night. By combining research and a technical process, the report seeks to establish a connection between theory and practice. It provides the description of work in production and post-production, challenges faced and a discussion. Lastly it discusses lessons learned from the process of sound design for the short film My Days of Night.