The movie revolves around the character of the Dude, a carefree person who is mistaken for someone else and gets caught up in a kidnapping case.
The Dude's rug plays an important role in the story, as it gets urinated on by the kidnappers, leading him to seek reimbursement from the real culprit.
The kidnapping plot involves the ransom demand of a million dollars, but the situation becomes more complicated as different characters try to manipulate the outcome.
Walter, the Dude's friend and Vietnam War veteran, provides comic relief but also adds tension to the story with his aggressive nature.
The movie combines elements of comedy, crime, and mystery, resulting in a unique and memorable cinematic experience.