Grizzled veteran detective Mark Simmons can't seem to catch the "Badge Bandit"—the city's serial prankster who's causing mischief and embarrassing the police. Karina Foley is a spunky 12-year-old who dreams of being a cop. When she stumbles on Simmons' stakeout and proves she's got serious detective skills and tech-savvy smarts, the police captain does the unthinkable and teams them up!