In the kingdom of Soleanna, Princess Elise during a ceremony sees a vision of disaster, a god will awaken in her tears and destroy the world. Until Sonic comes to the rescue with his one-sided girlfriend Sally forms her leadership against the Eggman Empire and along with the help of his friends, Meanwhile an mysterious but time-traveling grey hedgehog with telekinetic abilities from the future, Silver the Hedgehog along with Blaze and Marine who were told to track down the Iblis Trigger, and Shadow, Rouge and Omega face an sinister entity of pure evil, Mephiles the Dark. Now, Sonic and his friends must team up with new friend Silver to collect the Chaos Emeralds and defeat Mephiles, the fiery monster known as Iblis and the summoned entity god Solaris.
