A former hunter named Martin, who is currently institutionalized, calls Sam and Dean for help investigating a case in the mental hospital. The brothers get themselves admitted as patients to check out the mysterious monster that is attacking the patients, but their incarceration pushes both to the breaking point as they unleash their inner demons against each other.

THEN: Supernatural has been off the air forever, so let‘s catch up: Lucifer is raising Horsemen to bring the Apocalypse, Sam, Dean and Cas are trying to stop him, and the Harvelle women were blown up.  Let‘s see if any of that hope can be un-abandoned.NOW: To save some money, this entire episode of Supernatural is setinside a nut house.  Sam and Dean check themselves in when an oldHunter buddy lets them know a bunch of psych patients have been killedby a monster.
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