well it all starts when shadow recovers his memeory and remeers who maria is and his past shadow plans to put his past behind him and move on with his life but there's one problem black doom has returned to take over the world and seek revenge on shadow and shadow must sve the world before it is to late with the help of sonic and friends including shelly the one he never liked but they have to work together to protect earth, will they win find out in  SHADOW THE HEDGEHOG 2