As the CSIs hunt a cannibalistic killer, they realize there is more than one.

The CBI investigates the death of a geologist, which Lisbon is convinced is the key to bringing down Tommy Volker.

Hawk searches for something in the woods while Cooper learns that his fate in the Black Lodge may not be sealed after all.

A man observes a mysterious glass box, South Dakota Police discover a hideous crime and Hawk receives a cryptic message about Special Agent Dale Cooper.

Dexter investigates a murder that hits close to home. Meanwhile, Dr. Vogel gets the surprise of her life when someone from her past returns.