Now, he's either going to clean up-or be found out...

Shawn Spencer has always hated the wilderness-by which he means anything outside the delivery radius of his favorite pizza place. But Psych has been hired to solve a baffling case of industrial espionage, and the only way to catch the spy is to join their client's bonding retreat-a grueling seven day backpacking mountain trek.

But when one of the campers turns up with a...

When the Santa Barbara art museum unveils its newest acquisition, the long-lost masterpiece by Dante Gabriel Rossetti isn't the only surprise behind the red curtain-so is the museum's curator. Dead. The case has everything Shawn likes: it's bizarre, it's baffling, and there's a snack bar at the crime scene. But the investigation gets a lot less fun as he and Gus begin to realize that the clues are leading them towards a centuries-old cabal desperate to hide a terrible secret-and more than willing to kill the two...