Waking the Dead
Deus Ex Machina (6th Series)

Starring Trevor Eve, Tara Fitzgerald and Sue Johnston, and Polly Walker guest stars as Catherine Braithwaite.

A Sudanese politician vows to go on hunger strike until the UK returns the skull of an important 19th-century ruler to his country. While searching for the artifact, Boyd is then asked to re-open the case of an Iraqi refugee murdered in front of his daughter 20 years previously.

Waking the Dead Official Site