Kim Seon-ho

At his mother's 70th birthday party, Yong-nam runs into Eui-joo, who rejected him in college. When the city is engulfed in toxic gas from a terrorist attack, the two must find a way to escape using all the techniques they learned in their college rock climbing club.

During the Japanese colonial era, roughly 400 Korean people, who were forced onto Battleship Island 'Hashima Island' to mine for coal, attempt to escape.

Seo-jin, a renowned photographer, is shattered by the sudden and mysterious death of her twin sister and sets out to uncover the truth. As her investigation deepens, an unseen presence begins to close in, twisting reality and driving her into a spiral of paranoia as her vision fades away. Now trapped in encroaching darkness, Seo-jin faces a terrifying revelation that shatters everything she thought she knew.