Sonic, Knuckles, and Tails reunite against a powerful new adversary, Shadow, a mysterious villain with powers unlike anything they have faced before....
Over a decade after 'gates' connecting worlds appeared, awakening 'hunters' with superpowers, weakest hunter Sung Jinwoo encounters a double dungeon...
Willing to risk it all, an unscrupulous art dealer and his socially-awkward painter and longtime friend develop an extreme and ludicrous plan to save...