Vert Wheeler is drawn by a freak storm into a BattleZone and finds himself pulled into an inter-dimensional war with the Vandals and the Sark for the fate of the world. (Part one of a two part origin story)
In a super frigid battlezone, Agura and Stanford must put aside their quarrels to recover the Tangler trapped in a crevasse, while the rest team battles a newly energized Sark army and a massive abominable snowman.
With the team together for the first time, Vert needs to learn leadership when BATTLE FORCE 5 sets out to retrieve a MOBI vehicle to keep Sage alive. (Part two of a two part origin story)
When the team heads into a previously won BattleZone for training, they discover a Sark factory, complete with an army of Mini-Zurks programmed to re-acquire the BattleKey and open the Stormshock for Zemerik and his conquering Sark army!