Ned Wazinski, an unemployed vending machine mechanic, and Julian York, a former male stripper, meet on a park bench while watching their kids play. They have very peculiar ways of looking at their children...

Jimmy lives in the tranquil town of Eagle Rock, Louisiana, with his father, stepmother and his best friend Rainy, a German Shepherd. When Jimmy's father gets a promotion, the family must relocate to an apartment in New York City that has a strict no pet policy. Unwilling to let his master go without a fight, Rainy embarks on a cross-country journey to New York but navigating the Big Apple is just the beginning of his challenging adventure.