With the help of his nemesis, Snowball the cat, Horatio Entwhistle has finally found the solvent for his super sticky Stupendous Glue. But before the formula is perfected, Horatio embarks on a journey with his best friend Wheels to their friend Ming Yi's family farm in Gympie, where Horatio is introduced to Ming's aunt and uncle-and her cousin Grace.
When a long afternoon walk ends in the exploration of a mysterious shed on the farm property, the trio finds itself in the midst of a dangerous adventure yet again. With piles of counterfeit money, fake passports, and a severed finger as their only clues, the three friends must figure out the truth. Horatio's Stupendous Glue, Wheels' super-powered wheelchair, and Ming's lock-picking skills are once again put to the test in the fast-paced second adventure of the Entwhistle Experiment series.