Ania Sowinski

When a wealthy couple are taken hostage, Luther must try to avert a disastrous chain of events. However, what he doesn't know is that it will soon become very personal.

The arrival of an anonymous package containing a Nazi SS dagger at CCHQ sparks an investigation into the unsolved murder of a young Jewish girl in London, in 1945.

Further horrific discoveries are made at the London house where the Nazi dagger was found, and Stella goes to Poland to discover the truth about the murdered child.