Shadow has come back to earth to find it has been taken over by nothing but plant life. And Amy ready to comite suicide!! After saving her they set out to find who else has servived the sudden nature change. They venture to the sunken Angel Island in hopes of finding the dreadlock red Echidna Knuckles. But the island and it's gardian isn't all what it used to be. the island half submerged in the ocean, it's plants have seemed to have a terrifying life of their own, and the gaurdian has seemed to go close to the edge of feral