It's Daisy's birthday and she's having a special birthday treat! Mum has invited her best friends, Gabby and Dylan, on a trip to the zoo - and, best of all, Mum has arranged for Daisy to go into the actual penguin cage with the zoo keeper and feed the penguins. Trouble is, Daisy doesn't just feed the penguins, she 'adopts' one to take home...