The uninhabited island of ‘Hidden Peak Island’, rendered desolate by a volcanic eruption. A group arrives to survey this long-abandoned island, seeking to exploit it for business ventures. An ethnology research lab, a resort company, a video content creator— What awaited these pioneers seeking the untouched peak was a ‘monster’ more terrifying than hell itself...

No escape, no way to call for help. Can they truly escape this isolated island where only death awaits?