Watch The Man Behind the Mask (2013) : Full Movie Online Free The 70th anniversary of the birth of El Santo and the wrestling debut of his son mark the starting point for which El Hijo del Santo will take us into his story. His family history goes beyond the ring through personal memories and records, and brings us closer to his childhood with a father who had a double identity, to the discovery of the hero at home, and the reasons for wanting to continue this legacy.