The new Hunter cannot decide if Callan is to return to the Section or not.

An exchange of captured agents with the Soviets goes sour.

Callan and Cross are assigned to protect a woman whom Callan becomes involved with.

Callan helps a former agent out of a blackmailing business.

Callan is assigned to disrupt a romance between a government worker and a suspected spy. Reluctantly he delves into his bag of dirty tricks.

Callan and Cross must break a Russian spy out of prison, where he has voluntarily surrendered himself to, and kill him.

The old Hunter returns and Callan tries to get away.

Callan tries to quit the Section when a girl he is seeing takes a dislike to his job.

Callan debriefs a top enemy defector.