With Seven Nations on the brink of surrender to the ruthless Kro-Tan, Lothar and his ex-wife race to unite the fractured leaders, while Flash faces an impossible choice: save the world or the woman he loves.
While Flash and Rick launch a daring assault on Ice Station Earth to rescue Dale and stop Kro-Tan, the team rallies an army of living wooden soldiers to defend the Seven Nations from an unstoppable Ice Soldier invasion — all for the fate of humanity.