SONIC’S BIG BREAK
Sonic is locked up in a special cell on Prison Island. Chris, along with Mr. Tanaka, gets on board the Swan Boat and heads off to rescue Sonic. Amy and Tails also set off on X-Tornade. Eggman goes with Shadow and Rouge to Prison Island to gather the Chaos Emeralds. He schemes to make Shadow destroy the weapon storage room of the military and make Rouge bring him the Chaos Emeralds.

SHADOW WORLD
Sonic and Chuck see the news about the explosion on Prison Island, but are relieved to hear that there are no casualties. However, Chris’s whereabouts is still unknown. They assume that he had been taken to Eggman’s secret base, and set off to look for him.

ROBOTNIK’S REVENGE
Shadow who is staring at Earth sees the rocket that Sonic and the others are on board closing on Space Colony Arch. Shadow detects that the last Chaos Emerald is on the rocket and contacts Eggman. Meanwhile Stewart and Scarlet visit an old people’s home and ask to interview a certain elderly man. This man is a former military personnel who had participated in “Project Shadow Lock-Up Strategyâ€