Set 300+ years after the events of The Silver Age in the Sonic Universe comics, there's this unique transcendental artifact known as the Astrum. It contains all knowledge of erased and altered pasts and has the power to recreate the world. Silver is on a mission to track down the Astrum and seal it away in a null void known as Felsic after it and the artifact's wielder, Enigma, has caused irreparable damage to Mobius. During an intense battle, he meets a rogue named Moly who saves his life from Enigma, a being corrupted with the Astrum's power. The two pair up to find Enigma and put a stop to their corruption to save the future.