Rosco, the retired police dog is just about to enjoy his holiday in South Africa when Kalif, the Indian Ring-neck shows up who need's his help to find a mysyterious crystal. How can Rosco refuse though he knows he could do better things with his time? Their search leads them to a cave where the crystal is well protected by bats. What they don't know is that someone is watching them. Who is the spy? Will they find the blue garnet, and can they escape the vast African grassland or will Rosco struggle for survival? And still the blue garnet shines, finding its own destiny. This is another unforgetable, spine-chilling adventure of Rosco.