After a fight between factions triggers a rebellion in the penitentiary, The Engineer takes Valdir hostage and demands that jailer Adriano retrieve his son Binho from the midst of the battle.

After being tipped off about an escape plan, Adriano must find the prisoners' tunnel before The Engineer discovers the informant's identity.

An order to transfer a faction leader to a remote prison unleashes a crime wave around the city and threatens Adriano's family.

Jailer Adriano is faced with a moral dilemma over whether to save a pedophile or hand him over to the prisoners for a reckoning.

Adriano helps a prisoner begin a new career in boxing, then must keep him on track after he receives a shady offer to quit.

The Mandarin, a wanted faction leader, is caught and taken to the prison, but Adriano suspects he might be lying about his identity.