Wayne Szalinski is at it again. But instead of shrinking things, he tries to make a machine that can make things grow. As in the first one, his machine isn't quite accurate. But when he brings Nick & his toddler son Adam to see his invention, the machine unexpectedly starts working. And when Adam comes right up to the machine, he gets zapped along with his stuffed bunny. Now, whenever Adam comes near anything electrical, the electricity causes him to grow. Adam soon starts to grow to the height...

In a castle high on top of a hill lives an inventor's greatest creation - Edward, a near-complete person. The creator died before he could finish Edward's hands; instead, he is left with metal scissors for hands. Since then, he has lived alone, until a kind lady called Peg discovers him and welcomes him into her home. At first, everyone welcomes him into the community, but soon things begin to take a change for the worse.