The story focuses on Gladys Guerra, the wife of Mario Borges, who after a failed kidnapping attempt is imprisoned in a maximum security women's prison called La Quebrada, where you will begin to introduce and understand the prison system, including factions, abuse of power, the hostility of the environment and the misfortune of being the target of the groups established within the prison for being the new one along with her other five companions who arrived with her, known as "The Muddy Ones".