A mysterious plane piloted by the ghost country's president Sky appears in peaceful Japan! He will do everything in his power to control Japan! One day, young Yuji discovers a mysterious plane flying over his home, and with his natural curiosity, he pursues it, but ends in failure. However, a few days later, his beloved father gets involved in an incident caused by a mysterious plane. Yuji transforms into Spark Dan, riding the Spark, which he had been developing for some time, and sets out to rescue his father!!