Sonic Destiny is a Fan Project of the sonic team 12 years after frontiers, the team back together and on a new adventure. With new faces and an enemy they have never expected.

The danger arise when they find out Knuckles have a surviving family from another clan of the Echidna's and her name is "Jules The Echidna" She is Knuckles distant cousin from skylight island, where female Echidna's inhabit and were a clan of healers and medicine. With the help and power from the Super Emerald.

Although the greediness of The Knuckles clan chief who desired power. Ended up destroying all the clans of the Echidna's. With the only survivors being Knuckles and Jules.

Jules stayed hidden away with the remaining super emerald, hiding her island and staying watch over it and the creatures inhabiting it. Up until a disruption with the emerald, leading her to be discovered as well as find out what is causing the emerald power depletion, which was caused by none other than Eggman.

Eggman had been searching for the super emeralds again for years, and using unnatural power from his lab and grandfather's research to restore it's power, causing a dangerous effect that affected them and the Master Emerald, as they come to realize Black Doom's DNA was merged with it.

Caused by black doom who is now controlling the master emerald, making him to warp realty and have everyone scattered through time and space, and erase them from history as well as re-write it. So now it's up to sonic's team and there new found ally Jules to bring order back with the emerald and return home safely, while stopping black doom.