Final Fantasy has gone through alot of different scenarios over the past years. I am here to give you all a run down on each Final Fantasy...
(This is Part 1, so this only contains the storyline of 1 - 4)
Final Fantasy I: 4 heroes are gathered with the crystals. They must then journey onwards to destroy the most dreadful enemy Chaos.
Final Fantasy II: The Palamecian Emporer has summoned fiends from another dimension and has caused the empire into world conquest. In the Kingdom of Fynn a rebel force joined up as a response. The Kingdom of Fynn was taken and 4 homeless orphans all ran off to Altair. Now they are fighting for survival.
Final Fantasy III: The Empire is reviving the 1000 year old spells called "magic". A young girl named Terra escapes from her captures and joins a rebel group. The Empire tries to harness the power of the Goddess Statues but Kefka stabs Emporer Gestahl and all the statues are unaligned - bringing the end of the world. One year later the world has ended, continents are destroyed and cities are being born. Kefka rules with the Light of Judgement from atop of his tower. Now the rebel group must dethrone Kefka and bring peace across the world.
Final Fantasy IV: The Kingdom of Baron sets on a quest to find the elemental crystals. The air force commander named Cecil is dismissed from his post after questioning the kings motives. With the help of wizards and warriors Cecil must try to defeat the growing threat "Baron" and bring peace.