Despite his young age, Miles "Tails" Prower is an absolute genious, he may not be as capable in combat as some of his friends, but he makes up for that with his gifted mind, whether he's making gadgets or coming up with plans. In this story, Tails thinks he's lost Sonic, his best friend, this caused him and the rest to create the Resistance. But after 5 months of fighting, Tails started to doubt himself, he realized that everyone else was risking their lives on the battlefield, while he came up with plans, this made him leave the resistance to work by himself, promising to return stronger. He quickly learned that he made a big mistake and that he was one of the Resistance's strongest assets. So once the Sonic from the past shows up and joins him, he makes it his mission to reunite with the Resistance and make things right.