A criminology student seems less interested in proving his innocence of two sex murders than in observing Harry's investigative technique.

Student criminologist Lester Hodges returns to bedevil Harry when diamond smugglers kidnap Harry's stewardess friend Sue, and force him to make an unexpected trip to Paris.

Harry's investigation into the murder of another private eye results in a painful reunion with his ex-wife, who visited the victim just before he died.

An elderly counterfeiter, who prints only enough money to supplement his pension, is kidnapped by drug dealers who need $250,000 in a hurry.

Harry investigates the murder of a fellow private eye in Chinatown.