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.
Four unwitting heroes cross paths on their journey to the sleepy town of Silverado. Little do they know the town where their family and friends reside has been taken over by a corrupt sheriff and a murderous posse. It's up to the sharp-shooting foursome to save the day, but first they have to break each other out of jail, and learn who their real friends are.
It's the end of yet another night at Hastings Supermarket, a grocery store in Buck Lake, Arizona. But just before closing, a group of masked and armed to the teeth militants invades the store and take everyone hostage
