Out of the blue, private investigator and ex-soldier Lee Arnold receives a visit from an old army mate. Abbas al'Barri worked as a translator with him during the Second Iraq War. Now living in Ilford with his family, Abbas is convinced that he's had a message from his estranged son Fayyaad, who was radicalised and was last thought to be fighting for ISIL in Iraq. Does Fayyaad's message indicate a change of heart? Abbas is desperate for Lee's help...

"Ever since it was built in 1912, Woolwich Foot Tunnel has been the subject of rumour and speculation. Running underneath the Thames it connects north and south, and in the hot summer of 1976, when young John Saunders apparently entered the Tunnel and completely disappeared on his way to his sister's house, it was a grim and frightening place. John was never seen again until he re-emerged forty-two years later, complete with an American accent. Happy...