Gnomeo and Juliet are settling in the new garden in London. However, the peaceful and happy life they wanted to find here is canceled. The fact is that there are a number of garden gnomes abducted in the city and the only one who can help the heroes to understand this case is the incomparable detective Sherlock Gnomes, working in tandem with his faithful assistant Watson. But the detective is far from being as intelligent and perceptual as his human prototype.