In a quiet American suburb, the Hendersons are the most "unique" family you can imagine. Their daily life is marked by their peculiar way of viewing the world, where logic and common sense seem to have stayed at home. The patriarch, Stanley, is a well-meaning but perpetually absent-minded guy who embarks on a series of zany adventures alongside his wife, Joan, and their children, the little "Bubbie" and the pet-loving "Penny."
Everything begins when a supposed "theft" fuels the family's outrageous plans as they insist on solving the mystery of some strange occurrences in the neighborhood. However, their ideas lean more toward the absurd than toward problem-solving, unleashing a wave of slapstick comedy and situations that push their neighbors' patience to the limit. From trying to figure out what has really gone missing to getting tangled up in a series of misunderstandings with the local police, the Hendersons spiral into a madness that defies all logic.
As the family navigates a sea of misunderstandings and absurdities, their true strength is revealed in how they stay united, no matter how ridiculous things become. Throughout their journey, they make it clear that madness, though often misunderstood, can be the best refuge for those seeking to see the world in a different light.