The steward Walter and the cobbler Carlo is tasked to provide not the Little, but the High Mermaid to two agents in Kennedy airport in New York. Already on arrival complicate the hapless heroes into a series of spy intrigue involving agents from both sides of the Iron Curtain
A new batch of recruits arrives at Police Academy, this time a group of civilian volunteers who have joined Commandant Lassard's new Citizens on Patrol program. Although the community relations project has strong governmental support, a disgusted Captain Harris is determined to see it fail.