The movie starts off with Ryotsu (with Honda as his patsy) hatching another crackpot scam with a fake UFO sighting (via fake crop circles and a wire-hanging UFO). But the plan fails per usual, with the Kameari Park Police Box which results in Ohara punishes Ryotsu by subtracting him from the station's group vacation to Hawaii the following day.
こちら葛飾区亀有公園前派出所 THE FINAL 両津勘吉 最後の日
Ryoutsu, being an underpayed policeman, is always coming up with ways to make some quick money. But in the end, his plans which are ridiculous from the beginning always go wrong and land him in big trouble.