upon learning that Dr. Eggman will use a secret weapon to take over the world Sonic, Tails and Knuckles join forces as "Team Sonic" to stop this nasty scheme. In the meantime, Amy, Cream and Big form Team Rose to search for their missing friends. At the same time, Rouge releases an amnesiac Shadow and E-123 Omega, a robot who hates Eggman, and forms Team Dark with them. Additionally, Team Chaotix, an indebted group of detectives, is contacted by a mysterious client who requests their services.