Orders to Kill

'Edward Marston is a master of his craft.' Daily Mail December 1917. Ada Hobbes arrives on a frosty morning to clean the house owned by Dr Tindall, a surgeon at the Edmonton Military Hospital. She is shocked to find the blood-covered body of her employer sprawled across the floor. He has been hacked to death. Detective Inspector Harvey Marmion and Sergeant Joe Keedy arrive to a horrific scene...