While the Olympus housemates prepare for eviction night, hordes of zombies suddenly attack, sending the production crew scrambling for shelter.

At Olympus, Nina is met with skepticism by the housemates. In the city, Ana and son Léo weigh their options. Cleide's condition quickly worsens.

Nina, TK and Marcos sneak out for medical supplies. Stuck in the greenroom, Brandão and Jessica get on each other's nerves. Ana and Léo hit the road.

While Brandão and Jessica deal with Divina, the housemates assess their situation. Stopped by Levi's police escorts, Ana and Léo must negotiate.

Brandão's rash decision endangers the housemates. Trapped in the van, Levi's group fights back, while Jessica tries to help Nina from the control room.

With the clock ticking, Ana tries to restore communication channels. The group debates whether to allow other survivors into the compound.

Short of options, Ana takes one for the team. Levi plays God with a new group of survivors. Teresa and Léo grow closer.

Teresa questions Levi’s methods, while Robson goes rogue. Seriously outnumbered by zombies, the group desperately attempts to regain territory.

Teresa and Robson undertake a risky mission. Léo tells Teresa about Ana's past. The group finds an army of biters inside Olympus, but Ana has a plan.

Between a militia vying for control and Levi's underhanded tactics, the survivors are caught in a web of hatred, lies and betrayal.