'The Rockingdown Mystery' follows the dynamic team of Roger, Diana, Snubby, and Barney, accompanied by their trusty companions Loony the dog and Miranda the monkey, as they uncover a web of mysteries and secrets. Amid their holiday plans and newfound friendships, a dark cloud descends when Barney goes missing and their tutor's actions become increasingly peculiar. The young sleuths must unravel the enigma of Rockingdown and confront the unknown dangers lurking in the shadows. Will their courage and detective skills be enough to solve the puzzle and ensure their safety?