夫を殺したのに、なぜ壁の向こうから彼の声が?

After Allison Foster sees her husband Craig Brooks cheat, there’s an accident. He disappears. But their son Cody keeps saying, "Daddy’s in the wall." Strange things happen, and Allison is terrified. She breaks the wall open, but it’s hollow. And the truth is worse than she imagined.