Chow Ti is a poor construction worker. He lives in a partially demolished house with his nine-year-old son, Dicky. One day, while at a department store, Dicky begs his father to buy him a popular robotic toy called CJ1. Chow cannot afford it.That night, Chow visits the junkyard where he often picks up home appliances and clothes for Dicky. He finds a strange green orb and takes it home, telling Dicky that it is a new toy. Dicky agrees to keep it. The green orb transforms into a cuddly alien creature that befriends Dicky. After playing with the alien, he names the alien "CJ7. He dreams that the alien will help him gain popularity and good grades at school