A/N: No character death! song lyrics featured: All The Right Moves (One Republic), because I find it both equally beautiful and creepy, and good and evil. I always feel it can be so ambiguous, and maybe reflects Shawn's inner turmoil and both his relationship with the rest of the psych gang as well as the malevolent Yin and Yang. Lyrics in order up to hallway scene, then pieces are selected to fit the mood. Mentions of S4's 'Gus Walks Into A Bank' and references to the He-Man universe.