Two young hoods, enter an armory stealthily and steal an old anti-tank gun of the last world war. The crooks plan to assault an armored truck that carries a heavy sum of money with this terrible weapon. Morgan, alerted by one of his friends in the neighborhood, tries to prevent it.
A trigger happy cop charges into a stakeout set up by an informant and forces Bumper Morgan into an all-out battle.
An over-eager young cop shoots and kills a suspect, then hints Bumper was afraid to fire, and the story badly affects Bumper's relationship with his fellow officers.
Joey, a mentally unbalanced man tries to be accused of a series of crimes committed in women and young people who looked alike physically. For a rare coincidence the real serial killer begins friendship with Joey and gives him the particular details of his crimes so that Joe's story rings true to the police. As always, Bumper manages to untangle the skein.