The talisman is missing - Jake and Felix are at loggerheads as to where it is. Could Saskia be to blame? Meanwhile, Andy meets a cloaked figure while trying to find a way out of negative space.
Foyle is drawn into the world of corrupt Nazi businessmen when a university professor is found murdered in a London park. When it transpires the victim was working as a translator in Nuremberg, the detective realises there are powerful people trying to conceal secrets from the Second World War. Meanwhile, Sam (Honeysuckle Weeks) volunteers for a risky undercover job, despite being pregnant. Guest stars include John Mahoney (Frasier), Jaime Winstone (Mad Dogs) and Nigel Lindsay (Four Lions).
