Disclaimer: Eeh, my cousin gave me inspiration for this, so I've got nothing.
The Teen Titans were, well, sorta of a younger version of the Justice League. There were the Teen Titans, Titans East, and the Honorary Titans, young heroes spread all across the globe.
Together, the Titans prevented a city from being destroyed by an alien army, saved the world from being destroyed by the Brotherhood of Evil, and stopped many madmen, villains, and fanboys (Slade) from taking over the Earth. From the evil to the not-so-evil (Dr. Light, Control Freak), they stopped mischievous plans and kept the crime world in check.
Many young adults were made into heroes, and even a few villains turned a new leaf (Jinx). Over the years, the Teen Titans gained fame and respect and when they finally decided to go their own ways, the world was saddened to see them disappear. Thirteen years later, the world rejoiced when a new generation of Teen Titans - the children of the original Titans appeared, and thus a legacy was born.
But this story isn't about the new generation of Titans. No, it's about the originals, their origins, and how they came to be the heroes we know and love today.
A/N: If you don't already know what this is gonna be about, then you'll find out in later chapters. I'm too lazy to give any hints right now.