Rick Moranis is the geeky scientist working on a means by which he can shrink matter. Using a complex series of gadgets and a laser - he is confident the his Eureka moment is close when... a baseball shatters a window, activates his equipment and suddenly his children and those of the family next door have essentially disappeared! Where can they have gone? Well we all know that they are now playing a dangerous game with the tiniest of creatures that would normally go unnoticed. "Giant" ants and beetles... Meantime, dad "Szalinski" realises just what has happened and sets up some rather fancifu...