In the remote mountains of Colorado, horrors wait inside Mount Massive Asylum. The long-abandoned home for the mentally ill, recently re-opened by the “research and charity” branch of the Murkoff Corporation, has been operating in strict secrecy… until now. Journalist Miles Upshur breaks into the facility, and what he discovers walks a terrifying line being science and religion, nature and something else entirely. Once inside, his only hope of escape lies with the terrible truth at the heart of Mount Massive.