Propeller-Beetle begins kidnapping young people — the males are reconstructed into Destron Soldiers, while the blood of the females satisfies his energy source. When the monster hears the voice of the sister of Kazami Shiro's friend Kuroda Kyosuke, he retreats. When she discovers that her brother is really Propeller-Beetle, Doktor G orders the mutant to drink her blood. Kazami enters the Destron outpost when Junko is captured. Can V3 save them?