After Mercy Watson follows the delightful scent and delicious taste of the pansies her thoughtful neighbors plant to beautify their yard, animal control officer Francine Poulet is called out to handle the case, which brings unexpected results.
When Mr. and Mrs. Watson and their pig Mercy take in a movie at the Bijou Drive-In, mayhem ensues after Mercy smells the enticing scent of hot buttered popcorn.