Wayne Szalinski, the inventor who accidentally shrunk his kids in Honey, I Shrunk the Kids, has sold his invention to a big laboratory and moved his family to a suburb outside Las Vegas. Working at home one day, he accidentally uses his new growth ray on his two-year-old son Adam. Adam quickly grows out of control, causing havoc for the family and attracting the attention of the government and greedy scientists. Sequel: Honey, We Shrunk Ourselves.