After stumbling on a clue to Joséphine's fate, Esther worries there's a mole at the company. Billie asks Niels to take a break from seeing Claire.

Esther tries to help Paul connect with Joséphine in virtual space. Niels learns his status in the test is in jeopardy. Ana rethinks her mission.

Paul learns the truth about Joséphine's disappearance, Niels seeks help at a residential clinic, and the testers' hallucinations take a dark turn.