Desc: El misterio del rostro pálido: Directed by Juan Bustillo Oro. With Carlos Villarías, Beatriz Ramos, Natalia Ortiz, Manuel Noriega. A disturbed doctor is obsessed with finding the cure for a strange disease and experimenting with his patients, who are slowly dying of their medical failures. Desperate, he embarks with his son on an expedition to distant lands to study the medicine of the natives. Eight years later he returns from his trip without his son and in the company of a strange person with a pale mask.