Shadow is sent into the remote mountains to find E-102 Gamma. At the same time, Dr. Robotnik launches the over-powered E-123 Omega to hunt down and destroy the rogue robot! It's a race against time to see if Shadow can save Gamma and offer him asylum - if Gamma even wants to be saved! It's the latest installment of this exciting new series presenting unifying continuity while spotlighting the many characters from Sonic's various video games and animated series.