The Explosion

Officer Carey Mahoney and his cohorts have finally graduated from the Police Academy and are about to hit the streets on their first assignment. Question is, are they ready to do battle with a band of graffiti-tagging terrorists? Time will tell, but don't sell short this cheerful band of doltish boys in blue.

After Police Captain Dan McLaren becomes police commissioner, former detective Johnny Blake publicly punches him, convincing rackets boss Al Kruger that Blake is sincere in his effort to join the mob. "Bugs" Fenner, meanwhile, is certain that Blake is a police agent.

A duel between a suspected murderer and a detective pressed by people who want results. But whose skin is really wanted?

An agoraphobic psychologist and a female detective must work together to take down a serial killer who copies serial killers from the past.