Kang Sun-ju is a prominent figure in contemporary South Korean cinema, known for her gripping storytelling and innovative narrative structures. Her standout film, *The Call* (2020), has garnered significant attention from collectors due to its unique blend of psychological thriller and time-loop elements, offering a fresh take on the genre. The film's dual timeline and suspenseful plot have made it a must-have for those interested in the evolution of South Korean thrillers on physical media. Collectors are particularly drawn to *The Call* for its striking visuals and the strong performances from its lead actors, which have led to various special edition releases, including behind-the-scenes features and director commentary. As home video formats continue to evolve, Kang's work, especially in the realm of high-quality Blu-ray and 4K releases, remains a focal point for enthusiasts who appreciate both the artistic and technical aspects of film preservation. Her contributions to the industry not only highlight the richness of Korean cinema but also represent a growing interest in international films within the collector community.