

Set in the Aokigahara Forest, a real-life place in Japan where people go to end their lives. Against this backdrop, a young American woman comes in search of her twin sister, who has mysteriously disappeared.
Production
Actually filmed in Serbia despite Japan setting.
Acting
Dormer commits to dual role; script doesn't.
Director
Jason Zada
Trivia, insights & behind the scenes
Aokigahara's actual suicide prevention signage and patrols were ignored; the forest became a horror meme for Western audiences.
The real Aokigahara is so dense that compasses malfunction due to magnetic iron deposits—yet the film uses this as spooky atmosphere rather than survival threat.