Rebecca recalls first meeting Pilcher as an architect and the creation of Wayward Pines is revealed. Theo is shocked by a secret Rebecca divulges to him; Teresa tells CJ and Adam she wants to live outside the protected walls as Megan experiments on the first female Abbie that has been captured.

The Abbies attack CJ and the harvesters, leaving Teresa in grave danger and the town dangerously low on food supplies. Then, Theo constructs a makeshift triage unit, but he may not be able to repair his marriage to Rebecca. Also, Xander still has some fight left in him as Jason questions his abilities to lead.