After saving a little girl's life from bullies, Sonic learned a move by accident. The little girl didn't thank her hero instead she ran away pursuing to become more confident but what they didn't know is that a certain someone has been watching them, pulling attacks and such. This mysterious figure had been observing their everyday routine but not all the time. Worse is that the balloon shape man who's addressed to be called Eggman, wanted to conquer mankind. Luckily Sonic stood up to save the day with the help of Amy. They're unstoppable.