The Abbies develop a new tactic to try and get through the fence, and Jason is forced to send harvesters out to gather vital crops from a field beyond the barrier. Meanwhile, Theo realizes that the powers that be can't do without him and begins to assert his authority.

One of the original townspeople returns from a scouting mission, and helps Theresa look for a missing Ben. Meanwhile, Rebecca crosses swords with Megan over the latter's intention to have Lucy breed children.