You are Dean Catrall, an FBI agent whose daughter was murdered by a criminal organization looking for revenge. In spite of the tragic loss, you continue to work until you are incapacitated and kidnapped during an operation. You wake up at the Hillstone Asylum and find that you have been given a potent hallucinogen. Your kidnapper’s note tells you that your partner Robert Page is also inside the institution. But the more you explore, the more the drug begins to take effect, thrusting you into a veritable hell on earth. How can you tell reality from illusion?