Watch Silo for Free: How to Stream the Movie Online at 123Movies. . The best kept secret of The Andes will be revealed… For some, he is the thinker that set in motion a spiritual and political movement that passed through borders and extended from Argentina to India. For other, he is the leader of a sect, a skillful manipulator and demagogue. For most, he is still a mystery. Through this feature length documentary film we try to tell the life and work of this extraordinary person, posing a disturbing question: Who is Silo?