Persons Unknown

When new night manager Mr. Ulrich informs the group that all "guests" are restricted to the hotel they feel even more trapped. The level of uneasiness heightens when they return to their rooms and find very personal items that remind them of their pasts. Meanwhile, Kat and Renbe explore a duplicate abandoned town and find out a whole lot more than they bargained for.

Unable to trust Joe, Janet sets her sights on Ulrich as her ticket out of town. Morse and Blackam begin to take ease with Ulrich due to his nice personality and helpfulness, but soon realize his true intentions. Meanwhile, Kat and Renbe have returned to San Francisco, only to find out that their lives in America have been severely changed by "The Program."

When the group goes searching for Janet and Ulrich, they discover all their supplies have disappeared. After finding the pair, they turn to Ulrich for help, but soon realize they are left on their own to survive. Meanwhile, Kat and Renbe receive crucial information from a medical examiner that leads them dangerously close to "The Program."

After surviving an unexpected van crash, the abductees finally escape and decide to go their separate ways. Everyone attempts to return to their normal lives, however, "The Program" has no intention of letting them go. Meanwhile, Renbe and Kat race to help Janet, only to end up reunited with the rest of the group in eerily familiar territory.