Ben and Zoe are off to the Kenyan savannah, where the population of African elephants has been fast disappearing. It seems some tourists are paying large amounts of money to hunt the creatures for "sport", and for their latest trophy they have their sights set on a mother and baby elephant - The race is on for Ben and Zoe to track down the elephants before the hunters do. This is a thrilling series for children passionate about endangered animals and the environment, but who also love action, adventure and gadgets.