The world is in danger, a huge unexpected bug hits the web and endangers the security of Internet users. It is in this context that Martin, a young intern at the ISA (Internet Security Agency) mistakenly crossed the portal which allows him to penetrate... inside the Internet!
Donald's sister Dumbella sends her three sons Huey, Dewey, and Louie to visit their uncle Donald. They prove to be quite a handful for Donald, even with help from his book on child rearing.
Tom ties up Spike and sneaks into the courtyard of the glamorous Toodles Galore with his bass, hoping to woo her with his song, much to the annoyance of a sleeping Jerry.
Goofy, staying at the Sugar Bowl resort, demonstrates the basics of downhill skiing, which the titles and announcer insist is pronounced "SHEEing". The equipment is, of course, of the era. As you can imagine, Goofy has much trouble keeping his skis parallel and pointing downhill. The final ski jump conveniently lands Goofy right back in bed.
Oliver is making plans to marry his sweetheart Dulcy with Stan as his best man, but the plans are thwarted when Dulcy's father sees a picture of Ollie and forbids the marriage. The couple plan to elope, and run away to a Justice of the Peace. After typical Laurel and Hardy blundering, they manage to sneak the girl away from her father's house.
Chip and Dale are starving in their tree home when they notice a plentiful supply of acorns on an island in a lake. To get to the island, they borrow a miniature model ship of Donald's to sail on. The irate Donald, however, doesn't appreciate them stealing his ship and makes several attempts to get it back and thwart their scheme to get to their acorn paradise. Chip and Dale are, of course, always one step ahead of Donald.