After being busted out of jail by his tomatoes, Professor Mortimer Gangrene begins a new plot to take over the world by inserting his hapless lackey Igor into the throne of the King of France.
Crazy old Professor Gangreen has developed a way to make tomatoes look human for a second invasion.
After a wave of reports of mysterious attacks involving people and pets being eaten by the traditionally docile fruit, a special government task force is set up to investigate the violent fruit and put a stop to their murderous spree.
A chemist experimenting with different formulas stumbles upon an ingredient that, when added to beer, makes it absolutely irresistible. Before he realizes it, an international spy is after him to try to get the formula for himself.