Fernando's medical exam yields a stunning discovery, a logic puzzle stokes tension in the group, and Aline tries to find out what Ezequiel is hiding.

A nerve-wrecking trip through a dark tunnel leaves Joana haunted by a vision from her past. Ezequiel receives an unexpected visitor.

Trapped in the dorms without food and water, the candidates race to find a solution. A sudden change in the test brings out a new side of Marco.

Painful memories come flooding back to Ezequiel as Aline reveals she's learned and offers to keep it quiet - for a price.

Candidates find a tempting offer waiting for them in their new dorm rooms. Those who decide to stay face dauting individual tests.

A night of celebration turns chaotic as Process officials realize there's a traitor in their midst and begin interrogating the candidates.

On the morning of the Purification Ritual, starting revelations and shifting loyalties leave the fates of four candidates hanging in the balance