Bulman has been promoted and worries that he is going to be tied to the office. However, he is soon investigating a series of murders.
A man stages a prison breakout and takes D.C.S. Lambie's wife hostage, seeking revenge for the death of his brother.
Bulman, Willis and Bennett escort a female prisoner from Glasgow to London, but she is freed in the course of a staged car accident.
Willis and Bulman investigate a couple of modern-day highwaymen who are roaming the countryside on horseback and holding up tourist coaches.
Bulman and Willis join Bennett in Edinburgh to investigate the death of her informant.
The Inner City Squad tracks down a group of mercenaries in possession of a valuable piece of defence equipment.