Patrick Gillard and Ingrid Langley face their biggest challenge to date when senior NCA official Richard Daws is murdered. The murder of Richard Daws, 14th Earl of Hartwood and a senior official at the National Crime Agency at his home - the highly secure Hartwood Castle - has sent shockwaves through MI5, MI6 and the Met. Patrick Gillard and his wife, Ingrid Langley, face their most formidable task to date when Patrick vows to find his killer.