Carlos, Lisa and Reynaldo have a Halloween night misadventure. After their trick-or-treating is done - Carlos decides the thing to do is to investigate the neighborgood haunted mansion. Quickly their investigation turns into a rescue mission as Rubik gets lost and scrambled in the basement of the abandoned house. The kids and Rubik soon discover that the house is occupied by diamond thieves who have created a cloning device to multiply their stolen treasures. But when the mad sicentist in charge discovers Rubik and his powers he decides that the cube should power his cloning machine and make it work even better. The result is hundreds of scrambled Rubik's Cubes. Maybe this is how Rubik's Cubes got into the world. So not only must the kids rescue Rubik, they have to figure out which cube is him!