1) Long ago in Mindanao, four monsters appeared and devastated the land, forcing the few remaining people to hide.
2) Two brothers, King Indarapatra and Sulayman, heard of Mindanao's plight and set out to defeat the monsters. Sulayman killed three monsters but was crushed by the fourth.
3) Indarapatra found Sulayman's bones and revived him with water from heaven. Together they killed the remaining monsters, restoring peace to Mindanao.