There have been weird news reports about a strange creature roaming around Station Squace at night. Sonic, the famous blue blur goes to check it out after a family goes missing in the forest one night, but when getting bit by a wolf like beast and needing help by Shadow the hedgehog Sonic thinks otherwise. Now something is really wrong with our blue friend, he's bites Shadow and starts to act more aggressive towards his friends. Will Sonic be able to control himself or will he be consumed by the beast inside?