Jesse's best friend is killed by a black truck and Jesse himself is injured in the accident. He can't ride a motorcycle again until a man named Norman Tuttle turns up and offers him a knee operation and a job as a test pilot for a top-secret government project, code named Street Hawk.

A series of arson attacks at six different factories make Jesse and Norman doubt about their fortuity. Yet, when they set out to investigate, they are both completely baffled by the fact that the detonator responsible for each incident is untraceable.

The Widow of an overthrown dictator employs an escaped prisoner for a hideous scheme. Jesse investigates after the prisoner leaves a stand-in at the jail.

Altobelli comes to Jesse's aid when a Federal Agent tries to justify his failure to stop an assassination. However, the assassin is really seeking revenge against the fed who put her away years earlier. Watch out for the face to face confrontation between Altobelli and Jesse as Street Hawk.