The Go-Busters investigate reports of the appearance of a Messiah Card not in the possession of either Enter or Escape, and Ryuji helps a young boy named Kenta who says he has seen the card.

When a new Messiah Card is found in a painting worth 10 million yen, the Energy Management Center tries to get it, but the owner will not part with the painting. However, it is stolen by a mysterious thief calling herself "Pink Buster", and Hiromu chases after her to retrieve the card, but must instead protect Pink Buster from Vaglass's attacks.