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.

A female writer of popular thrillers decides that it is time to kill off one of her characters, a serial killer who has appeared in many of her recent books. Soon afterward, she finds herself pursued by a copy-cat serial killer.

Crazy old Professor Gangreen has developed a way to make tomatoes look human for a second invasion.