 Keith and the team scour the surface of Planet Arus, looking for brave citizens willing to help fight Zarkon. Scared due to the recent attacks, only Princess Allura herself is willing to join Voltron Force. When King Zarkon s best gladiator is turned into a Robeast by Haggar, not even Voltron can stop it. Only if Allura can find a way to help will Arus be saved.