Pudding the panda makes everyone smile at Edinburgh Zoo. But what would make her truly happy is a family to take care of – like her heroine, Mary Poppins. Meanwhile, Callum is having a hard time at home. His ninth birthday gift is a certificate for an 'adopted' panda when all he'd wanted was Lego. Then by a twist of fate, the unbelievable happens and the two come together on Callum's front doorstep...