The series debuted on Rede Globo free-to-air television network on April 26, 2018, and ended on January 22, 2021.

It is written by Marçal Aquino, Fernando Bonassi and Dennison Ramalho with collaboration of Marcelo Starobinas, inspired by Dráuzio Varella's book of the same name.

[1] Adriano is a graduate in history, who becomes a penitentiary agent to follow in the footsteps of his father, Tibério.

His colleagues of profession, Vinícius and Isaías, along with the head of security Juscelino, help him cope up with the problems of the work environment.

[2] The series was supposed to be starred by Domingos Montagner, however, with the death of the actor during the shooting of the telenovela Velho Chico, the role passed to Rodrigo Lombardi.