After the high-speed adventure in Police Academy 5: Assignment: Miami Beach (1988), a spate of robberies in the stylish Wilson Heights district terrorises the city. Then, to make matters worse, when the trio of cat-burglars manages to pull off a daring heist right under the nose of Captain Harris, it is up to Commandant Lassard and a band of loyal graduates from the original Police Academy (1984) to stop the wave of thefts. Now, as a mole is leaking valuable information, only a well-organised undercover operation can expose the mysterious "Mastermind", the one behind the gang's crime spree. Can Lassard's finest crack the case of the Wilson Heights Gang?