Ysmir Stormcrown, Dragon of the North, when there is nothing left for him in Nirn, decides to go to another dimension in search of new wanderings. Upon reaching there, he meets Sonic the Hedgehog and his friends. And they join forces to protect this world from evil ambitions of Dr. Eggman and other threats that threaten this world.

Its been a while since legendary Dragonborn slayed Alduin, Harkon, Miraak, Ebony Warrior, won Second Great War and united Tamriel again. Now no longer needed for his world with full control of his fate he decides to leave his dimension. And this choice leads him to new dimension where anthropomorphic animals protect their world from evil ambitions of Dr. Eggman and other threats.