A cop is assigned to investigate this so-called chupacabra that’s been seen all over town.

The theater group within the prison of Cuatro Caminos, which includes a total of six prisoners-eight volunteers, it was decided to stage the play "12 Angry Men". However, his dream will be lowered when a contagious infection forced to remain isolated inside. Fear and lack of information to jump trigger alarms and the group is consumed by stress. With the participation of real prisoners, this film is an innovative proposal to help them pass and live, while participating in a larger project.