When a crying baby leads to death in a mysterious abandoned house, Mary, Sam and Dean decide to investigate. Meanwhile, Castiel’s hunt for Lucifer leads him, begrudgingly, to partner up…

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…

A bearded Klaus and Sunny comb the hospital’s crumbling halls for Violet, who’s being held prisoner under Count Olaf’s questionable “care.”