In a wild family sci-fi adventure, the Szalinski family is preparing for a quiet weekend, but things get complicated when Wayne, the quirky inventor and scientist of the house, decides to test a new and dangerous device he has created. After an accident with his latest invention, Wayne and his brother decide to take it to the next level and shrink down to tiny creatures in their own home, a fact that not only puts their lives in danger but also turns their world into a sea of problems.
Meanwhile, their children, who stay at home, start to discover that being small can be a lot of fun, but also extremely dangerous. They will have to face huge obstacles (literally) as they navigate a world that suddenly feels immense. The house becomes a battleground filled with surprises and dangers at every turn, from a cat that now seems like a ferocious monster to an epic journey through the swimming pool.
In the meantime, Wayne and his brother must find a way to reverse the effects of the device before it’s too late. Amidst comedic moments and lessons about the value of family and the decisions we make, they will realize that in their small size, they have big challenges to overcome. Adventure is more than assured, and humor abounds as they try to prove that no matter how small they become, true greatness lies in their family unity!