Journalist Chae So-yeon (Yoon-seo) travels to a remote village with her investigation team, consisting of Director Kang (Yang Joo-ho), Producer Woo Ah-ram (Im So-young), and Se-ho (Jang Eui-soo). They are accompanied by Ryuhei Matsuda (Kwak Si-yang), who has knowledge of a mysterious sect connected to the village. The team believes that a Japanese cult responsible for killing Koreans in the past still exists there. As they continue their investigation, they encounter many strange occurrences and face a series of life-threatening events.

Samakdo (Three Evil Island) achieved commercial success by reaching third place at the South Korean box office during its opening release. Director Ki-Jun Chae previously produced films such as Six Ball (2020) and The Legendary Lighter (2019). The Indonesian Film Censorship Board (LSF) has classified Samakdo (Three Evil Island) for audiences aged 17 and above. Be discerning in selecting content suitable for your age. (won)