David's friend Laila is keen to look after the school hamster, Nibbles, during the holiday but her dad isn't so keen. When David and Sam convince Kobi to let them take care of Nibbles during the school break Laila is delighted that she will get time to spend time with the pet too. But, things don't quite go to plan and Grandam Zainab must help Mali and Laila do some extra special solving to prevent a hamster catastrophe.