Two families embark on a pleasant Sunday picnic but manage to run into a variety of issues with their temperamental automobile. Each incident requires repeated exits and reboardings by Laurel, Hardy, their wives and grouchy, gout-ridden Uncle Edgar.

Popeye is doing a great job of sinking Japanese ships (complete with toilet-flush sound effect). A carrier pigeon brings him notice that he's been granted a month furlough, which he plans to spend with Olive and his nephews. But on arrival, he's run over by Olive, who immediately leaves him alone with his nephews, who are practicing home defense.

Iconoclastic, take-no-prisoners cop John McClane, finds himself for the first time on foreign soil after traveling to Moscow to help his wayward son Jack - unaware that Jack is really a highly-trained CIA operative out to stop a nuclear weapons heist. With the Russian underworld in pursuit, and battling a countdown to war, the two McClanes discover that their opposing methods make them unstoppable heroes.