Sam Hill is an average 12-year-old girl in a not-so average family. Her dad is a detective and her parents teach martial arts! Using her martial arts skills, Sam decides to follow in her dad's footsteps and becomes a neighborhood crime fighter. The opportunity to prove herself comes when Mrs. Marlin's diamond ring is stolen. Will she be able to solve the crime before the thief strikes again? Using safe and easy-to-learn techniques, Sam transforms from a regular kid into the hero of her own story.