Hercules and his friend Marlon have just enrolled at the School of Intergalactic Agents, but they\'re both having problems. Hercules is a little young—and a little short—to make the grade, while Marlon just can\'t help being a coward. For their first Surveillance Operation, they\'re sent to Earth to gather information on a girl who\'s behaving strangely. But while they\'re away, the dreaded Blackbird plans to attack the School...