Natalie Sin is a filmmaker based in Singapore with a background in Sociology and Anthropology. She explores the concepts of dirt, cleanliness and purity alongside shame. Her short film, The 4PLY Clandestine System, screened at the 36th Singapore International Film Festival in the Southeast Asian Short Film Competition. Natalie Sin is a filmmaker based in Singapore with a background in Sociology and Anthropology. She explores the concepts of dirt, cleanliness and purity alongside shame. Her short film, The 4PLY Clandestine System, screened at the 36th Singapore International Film Festival in the Southeast Asian Short Film Competition.