Kika Markham

When Poirot helps the police with a series of unsolved gem thefts, he falls in love and finds a criminal intellect that pushes his own to the limit.

Following the break-up of his home life, Fitz discovers that a young woman he knew has been viciously murdered. A blood-spattered man is found beside the railway tracks and becomes the prime suspect. On recovering consciousness, he claims complete memory loss.

Kelly (Adrian Dunbar) is released into Fitz's care after a lack of evidence. But after another murdered woman is found, Kelly is arrested and DCI Bilborough order Fitz off the case. Fitz and DS Penhaligon collude to find out the truth, while their relationship becomes more personal.