Daniel, Diana and Don-Don are the kind of heroes anyone can aspire to be. They are simple kids who live considerably normal lives. Unknown to them, their mother is the keeper of a mysterious box in which the dreadfully evil entity Armana has been trapped for centuries. Their mother sacrifices her life to save them and, before dying, entrusts the box to the three siblings with the stern warning not to have it opened by anyone at anytime. Their lives change forever when someone opens the forbidden box and unleashes the evil Armana into the world. Armana begins possessing people and using them to accomplish her wicked plans. Faced with Armana’s growing and strengthening power, Daniel, Diana and Don-Don have to cultivate their inherent powers to save the world from their atrocious nemesis. With the help of Mang Domeng (Bodgie Pascua), who is the keeper of the "agimat", the three siblings discover their respective gifts and learn to develop their powers to help save the world from Armana’s ruthlessness.