The children of Class 2M are very excited as it is ‘Toy Day’. Jessica decides to take her new toy, a robot called Madeleine. When Madeleine arrives, strange things start to happen. She helps them with their maths lessons and brings their clay statues to life but then her wires become crossed and she responds inappropriately when a young boy hurts himself. The children of the class set about helping to fix Madeleine by teaching her how to show that she is feeling happy, sad, angry or funny.