Convinced that the horrible rumours about the bloody DeFeo murders and the evil Amityville House are nothing but an elaborate hoax, the inquisitive Reveal Magazine journalist, John Baxter, decides to buy it as an investment. Now, as troubling supernatural incidents and death stain the new residence, John stubbornly insists to remain apathetic, even after yet another tragedy sends his ex-wife, Nancy, one step before madness. However, an ancient evil lies at the root of the problem. What is the dark secret of the most horrific house on earth?