As panic sweeps through the Offshore, Marcela scrambles to restore order, and Marco discovers his mother isn't the only family member on the island.
Joana finds herself at the mercy of a figure from her past, Michele is led to a remote hiding place, and Marcela receives an unexpected invitation.
Candidates find a tempting offer waiting for them in their new dorm rooms. Those who decide to stay face dauting individual tests.
Waking up to a new reality, the Inland and Offshore factions inch closer to the brink of war — until a long-lost artifact offers a ray of hope.
With supplies dwindling, Michele hurries to cut the Shell's remaining population in half. In flashbacks, the Founding Couple face an agonizing dilemma.
As the hunt for Cause members heats up, Gloria wrestles with nagging doubts, Michele and Joana search for the bomb, and Fernando makes a defiant move.
A nerve-wrecking trip through a dark tunnel leaves Joana haunted by a vision from her past. Ezequiel receives an unexpected visitor.
Glória whips up support for her campaign, leading to chaos at the Shell. Marco resorts to desperate measures when he runs out of food for his son.
While the residents of the Shell prepare for the next stage of the Selection, Joana summons allies from the Cause and reveals her master plan.