Jen Onça is not excited to start her new, fast-paced fast-food career at Minilla Burger, but she'd much prefer a mundane day to the sudden return of Megalon! The monster brings destruction, trapping Jen in a forgotten lab deep beneath the restaurant with only the half-built form of Jet Jaguar to help her get out! She must repair the robotic defender to save herself and the city, but first she needs to escape the rubble trapping her in this tense adventure!
As a trio of kaiju attacks Tokyo, Zoospora's influence continues to spread beneath the surface, like an unseen, growing infection. Dr. Honda and her team hatch a desperate plan to rally Godzilla to humanity's cause, using the robotic MOGUERA. But how far are they willing to go? And as more kaiju appear and the situation gets even worse, what secrets are to be found in... the "Barry Pile"?! Zoospora goes viral as the epic introduction of a captivating new addition to Godzilla's rogues' gallery continues.