On March 19, 2026, Showbox posted new Instagram content promoting the film 'Salmokji' — spotlighting pulse-pounding scenes and a chilling list of rules.
Alongside striking images of lead actors Kim Hye-yoon and Lee Jong-won, the post delivered a stark warning: "No matter what appears before your eyes, do not believe it." Additional rules like "Do not make wishes" and "Do not stack stone cairns" amped up the tension and stoked fans' curiosity.
Fans flooded the comments with excitement, writing, "I’m definitely going to watch it! Let 'Salmokji' be a hit," and "I want to see Hye-yoon, but 'Salmokji' looks terrifying." The film hits theaters on April 8.