Keeper of the Realm (2014)

George, Carlos and Adolfo, three unselfish rescuers, receive a call to find some tourists that are missing in a cave. After hours of searching in the depths they find a vault full of dead bodies and an ancient treasure. Excited with a discovery that can change their lives forever, they decide to take everything, not knowing that their actions will awake the terrible guardian who will poison their minds with greed, dragging them to their own destruction.