While leading a police investigation of a massacre in a public school at the border of Mexico and U.S.A, special Agent Emanuel Ritter links this strange case to the coming and rising of the ancient demon Belzebuth. But in order to stop the trail of upcoming infanticides, Ritter shall have to confront himself before dealing with the forces of good and evil.

A millenary language agonizes: Its last two speakers, Evaristo and Isauro (70´s) had a quarrel 50 years ago and haven’t spoken to each other since. Martin, a linguist, will undertake the challenge of bringing the two old friends back together and convince them to talk again in order for him to be able to obtain a record of the language. Yet, hidden in the past, in the core of the jungle, lies a secret hidden in the language that makes it difficult to believe that the heart of Zikril will beat again.