Oliver Santiago is a 13-year old boy who lost his family at the age of 8, courtesy of a businessman who had no tolerance for even the smallest competition to his business. Only he and his brother survived the tragedy. This tragedy enraged Oliver to seek vengeance for his family. The tragedy also made Oliver promise his family to protect his brother and to seek vengeance for their death. Oliver's continuous seek for vengeance slowly turns him into the hero, The Masked Ranger, a young martial artist and weaponry specialist.