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 school holdays and help protect endangered animals! Soon after their arrival in China, Mandy and James spot a lone Panda cub near the research park they are visiting. Mrs Hope warns them that the mother panda might reject her baby if they are apart for long. It's vital that the cub and his mother are quickly reunited if he is to be saved. And time is running out ...