Melinda Deines

Nathan et Duke sont de retour à Haven pour prendre part à leurs retrouvailles du secondaire et pour prêter main-forte à Audrey puisqu'un tueur semble s'attaquer aux anciens élèves.

De retour de vacances, l'équipe enquête sur l'enlèvement d'une femme enceinte de neuf mois.

When Renee's boyfriend appears to her while he is imprisoned on the mother ship, Liam theorizes a special energy bond between the pair. Zo'or is upset by the human's betrayal and bans all humans from the mother ship.

Sandoval is watching via nanobots inside Street as she tries to decipher Ma'el's riddle. She tries to figure out how to escape from Sandoval and the Taelons forcing her to solve the riddle. She flashes back to childhood fears.

The Taelons lend some of their dwindling core energy to Joshua Doors for a pilot cold fusion project, but the energy is stolen, leaving the Taelons vulnerable. Jonathan Doors lives on as an AI in cyberspace.

Renee (Jayne Heitmeyer) and Captain Michaels (Dean McDermott) discover a hybrid vaccine facility is actually being used to breed deadly Atavus.