Voices or not

Left all alone in a insane asylum with unknown people to care for Jacob. He starts hearing voices, but unlike most patient these voices aren't in his head. They're in reality. From what, and who though? Jacob stumbles across information that all the patients at McLain asylum aren't as crazy as people think. A doctor a little too familiar with him as if he already knows him, screams in the night, missing patients, and secrets. But secrets are best left hidden