As it had happened before, a body appears on the first night of the Carnival. The locals are sure this the work of "Urco", and that more murders will...

As it had happened before, a body appears on the first night of the Carnival. The locals are sure this the work of "Urco", and that more murders will...

Armed forces surround a psychiatric prison in order to abduct an incarcerated serial killer — but aren't prepared for the battle that ensues.