Board Thread:False Info and Speculative Discussion/@comment-27411820-20160207000820/@comment-24128732-20160305051940

The card thing is from the Manchurian Candidate. It's the Queen of Diamonds, not the Queen of Hearts. The idea is that a veteran of a foreign war (Korea/Afghanistan) has been compromised and is being used as a weapon in a war he has no conscious knowledge of.

In Parrish's case, the Hellhound has been controlling him, taking over the body, and letting Parrish operate as a mere shell during daylight hours. The key to controlling him in Teen Wolf, as in the Book and Movie, is Lydia -- the sight of her, the idea of her. She is leading him, perhaps unknowingly pushing him towards a culmination that he feels is wrong. (Which is why I believe he might not make it S6. When push comes to shove, Parrish wants to save Mason, the Hellhound wants to kill the Beast.)

"Parrish, would you like to play a nice game of solitaire?"