|UK||2002||120||Mystery . Crime . Drama|
A local woman is killed when an experiment in biological warfare goes awry. Sam also falls victim to a potentially fatal illness as a result of the project. Foyle is forced to head into the most secretive - and dangerous - areas of wartime research, unearthing secrets that can't be revealed even to the Prime Minister.
|Episode Title:||Bad Blood|
|Airs:||2006-01-22 at 08:00 pm|