Things are not what they seem as Mother’s health sharply declines. As Ana searches for Yen, Gabriella offers counsel to a student struggling to understand how demons live among us….

While Dr. Smith moves ahead with his secret project, seismic activity wreaks havoc across the planet and leaves two teams facing impossible choices.

Maureen finds a solution to the fuel issue, but putting her plan into action proves trickier than expected. Dr. Smith realises her cover is blown.

Judy sets out to find Maureen, while Will and Penny lead an expedition to the caves. Dr. Smith pursues a new escape plan.

The team attempts to extract a rogue A.I. from a child messenger, but the program expands too rapidly. A new Traveler adjusts to his host.

Newton, concerned about the consequences of a distressing development involving a high-ranking official, is forced to call to action a sleeping shapeshifter. As Walter and the rest of the team…