The story of "Dark Dawn" begins thirty years after the conclusion of "The Lost Age". Due to Isaac and the others bringing the power of the Golden Sun to Weyard, continents have changed, new countries was set up, and new species have appeared. However, Psynergy Vortexes, which absorb the elemental Psynergy from both the land and the power-wielding Adepts, are appearing all over Weyard. The children of the previous games' heroes – Matthew, Karis, and Tyrell – set out to solve the mystery of the vortexes, and cross a world that is succumbing to a new evil.