
**Today, Strangers Arrive Who Must Die** A high-ranking North Korean defector is assassinated abroad, triggering a security alert in South Korea for all defectors. Detective Kim Hyung-sae is desperate to find young defector Ryu Soo-hyun, who has been missing for a month. Working as a library assistant, Soo-hyun has been living in fear since receiving a death threat letter weeks ago, his once-stable life now in disarray. On this library closure day, unfamiliar faces appear. Each visitor has a different face and story, approaching Soo-hyun in various ways. Trapped in a constant state of fear, Soo-hyun reluctantly welcomes these strangers, marking another day of dread in his life.