Twelve-year-old Randi, unhappy about moving from Brooklyn to Deer Creek, Tennessee, after her mother's death, soon finds new friends and a case to solve surrounding a stolen time capsule and rumors of a centuries-old treasure.
On a trip to New York City to visit Randi's aunt, the ninja detective trio explores Randi's old neighborhood in Brooklyn, where they uncover an art heist involving Fabergé eggs. Except no one will believe them. So they'll just have to catch the criminals in the act..