Mitsuhiro Matsunaga is an investor relations manager at a large development firm that s currently in the process of constructing a new high-rise building. After claims surface online of fires breaking out, illness spreading, and human bones unearthed at the site, he ventures there himself to find out whether there s any truth to the rumors. During his search, he detects an eerie dryness, and the distinct smell of a person burned completely to ash, bones and all. Eventually, Mitsuhiro stumbles across a mysterious ritual space with a huge hole not on any blueprints and inside it, a man in chains. Mitsuhiro flees above ground in a panic, only to quickly learn that this is but a taste of the terror that has begun to plague him and his family!