Jen Ona is not excited to start her new, fast-paced fast-food career at Minilla Burger, but shed 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!