A powerful new threat rises. A monster unlike anything seen before, putting the entire city in danger. The Sub-Heroes must rally to find the beast ravaging the city, despite Cloud's lost power.
But not all is at it seems, as dark hands control events behind the scenes. Hands the Sub-Heroes have battled before.
As their powers disappear one by one, the Sub-Heroes must face their ultimate battle. New friends and old enemies join the fight, forcing Vanisher and the team to ask; without powers, are they really heroes anymore?