Mr. Popper is a hard working salesman with a failed marriage and two kids who don't like him. Things get interesting when his dad dies and leaves him with six penguins. He initially wants to get rid of them but then there wouldn't be a movie, so he keeps them and tries to make them feel at home in his apartment. While the penguins help him to reconcile with his kids, they start to create problems at work, and sooner or later things are going to come to a feathery head ...