Tensions deepen between Mowbray and his wife, as the police launch their investigation into the latest killing. The murdered woman, a student, worked part-time at a pizza restaurant, where the detectives establish a link with the first victim in Wales.

Another victim turns up, and morale among the investigating officers hits rock bottom. The stresses of the job force Mowbray to consult a therapist, but not before his actions drive Sally away from him. Adding to the pressure, the killer strikes again.