Mandy Hope's mum is spending some time abroad with a wildlife conservation organisation - and Mandy and James have been offered the chance of a lifetime: to stay with Mrs Hope during the school holidays and help protect endangered animals! Mandy and James are visiting a tiger reserve in India, when the mother of young tigers, Bada and Chhota, goes missing. Other tigers have disappeared too, and poachers are suspected. Mandy and James are determined to help track down the real culprits. But is it too late to save the missing tigers?