Radoslaw Kaim

Martha Jones summons the Doctor back to modern-day Earth, but an old enemy lies in wait. With the mysterious ATMOS devices spreading across the world, Donna discovers that even her own family is not safe from the alien threat - but is it too late to save them?

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.

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.