After a traumatic brain injury triggers terrifying visions of extraterrestrials and a newfound talent for drawing, a father-to-be begins to question his reality and becomes obsessed with the need to protect his family from an unseen threat.

In a post-apocalyptic world, a small group of survivors, who call themselves Foragers, plan to rebuild civilization from their headquarters in an empty hospital based in what is left of Philadelphia. But they're soon forced into a face-off war with the Rovers, another gang of survivors whom are a brutal gang of cannibals.

An explosion inside a casino brings Catherine Willows back to Las Vegas to investigate. And when the crime is tied to Lady Heather, Gil Grissom is brought back as well to aid the investigation. This is a 2 part TV Special. Series Finale