en Cuevana 3. Lupa finds the drug addict Gladki who escaped from the hospital. She locks him in a rented room with the intention of helping him get rid of his addiction. But in between the walls of the isolated room the boundaries between the prisoner and the warden start to disappear. Horrible secrets are uncovered and Lupa begins to fight for her own freedom. A terrifying drama about young people who are left to themselves and to the dark forces of decay that cannot be stopped ; not even by love...