In the close future, Esther and Doc are strange friends, Esther being a teenage boy and Doc being a quirky scientist. When Doc finishes his latest gadget, called the Doc Block, the pair travels to the year 3187. To their surprise, an alien-cyborg race is trying to conquer Earth. Esther and Doc join a rebel force to help fight back the invasion, but when things take a turn for the worse, Esther finds he may not really be who he thinks he is.