In the series finale, Jeff makes Stuart an offer to exchange Nate for answers, but Nate convinces Jeff that they need to see this mystery through to its conclusion.
Jeff and Skye attend a Cult costume party, where Skye is drugged with a hallucinogenic and Roger meets a mysterious stranger named Stuart (guest star JEFFREY PIERCE).
Skye suffers a serious reaction to the drug she was slipped the night before - and Jeff must find a sample in order to save her life. Skye has Cult visions in her mind.
Jeff and Skye try to find evidence against Sakelik to use as leverage to gain information on Nate. Stuart invites Roger for a weekend at his Santa Barbara estate.
Jeff and Skye remain in hiding from the True Believers while Nate tries to get a message to Jeff. And Billy holds Kelly's parents' killer (guest star FRANK CASSINI) captive.