HD Soldier Läppli is a comedy movie set in Switzerland, centered around a foolish Swiss soldier named Läppli. The film is a satirical take on military life and follows Läppli's misadventures during an exercise. With a touch of comedy and satire, the movie showcases the quirky and humorous side of the Swiss army. It also features a cat, a canary, and a comedian, adding more fun elements to the story.

Läppli, a customs officer in Switzerland, gets involved in a humorous adventure when he discovers a smuggling ring operating at the border.