Las Vegas officers question a young woman who appears to be involved in prostitution; Chattanooga cops respond to a physical altercation between a father and his son; officers chase after a suspect who goes on the run.
Foyle is now working in a different new role working for British Secret Intelligence. As the iron curtain falls across Europe, MI5 believe that British atomic research has been infiltrated, and ask Foyle to investigate whether a Russian spy network could be at work in London.
Kieren finds the only way of escaping his mum, dad and sister Jem, is to hide away in his grave. Whilst in there he bumps into his old hunting partner - Amy Dyer. He is still struggling with constant vivid flashbacks of one particular victim - Lisa Lancaster.