Tom Brand (Kevin Spacey) is a billionaire whose workaholic lifestyle takes him away from his loving wife Lara and adorable daughter Rebecca. Needing a present for Rebecca's 11th birthday, Brand buys a seemingly harmless cat from a mysterious pet store. Suddenly, a bizarre turn of events traps poor Tom inside the animal's body. The owner of the business tells him that he has one week to reconnect with his family, or live out the rest of his days as a cute and furry feline named Mr. Fuzzypants.