Following the break-up of his home life, criminal psychologist Fitz discovers that a young woman he knew has been viciously murdered.

Elsewhere, a blood-splattered man is found beside the railway tracks but on recovering consciousness, he claims memory loss.

Criminal psychologist Fitz is frustrated when another murdered woman is found and he is ordered off the case.

Despite this initial setback, Fitz and DS Penhaligan are determined to find out the truth.