1) Malin Kundang lived with his mother in poverty on the coast of Sumatra and decided to sail overseas to seek his fortune.
2) After several years with no contact, Malin Kundang returned as a wealthy man but denied knowing his mother, treating her cruelly.
3) Malin Kundang's mother cursed that if he was truly her son, he would turn to stone. During his voyage, Malin Kundang was shipwrecked and his body turned to stone, punished for denying his mother.