After Sonic Defeat Dr. Robotnik & Knuckles Had Switched Sides, Sonic Still Lives His Happy Life In Green Hills. Tails & Knuckles Have Their Own Rooms At The Wachowskis House. Unfortunately, Eggman Finds A File Named "Project Shadow", Where Shadow Appears. Now, Dr. Robotnik Find A Secret Weapon That Plans To Steal Sonic's Power. Sonic, Tails & Knuckles And Their New Friend, Amy Rose Has A Plan To Stop Them.
