Ten years ago, DB Multinational Pictures secretly implemented the "Hero Improvement Plan". The only Ultimate Unit in the first generation of machines, No. 001, accidentally escaped from the base with amnesia. Ten years later, he played a film and television idol with exaggerated acting skills-Squadron. Old superheroes were replaced by foreign heroes one after another, and Squadron was no exception. Squadron, who suffered a tragic defeat in life, was disheartened and spent his days drinking. By chance, Squadron discovered the powerful power in his body, shouldered the mission of restoring heroes, and trained with Grandpa Hulu, the leader of the Hulu Gang, to fight against the new super soldiers. Although Squadron was defeated, his will was indestructible. Heroes from all walks of life were moved by Squadron, so they returned to the arena and fought a heroic battle between China and Japan...