 Matthe and Albertine has separated. While she study in Cambridge University, Matthew still working in his project, but when Albertine expose accidentally to Chocky to a evil doctor called Liddle discover the Chocky s existence, the danger being, because Liddle believes what is a intruder, a danger for the humanity and the first step for the a great invasion. By the way, Chocky returns for to help and Albertine, fight against Dr. Liddle and reveal finally the secret of the cosmic energy.