Smoke and Whispers

When A Body Is Hauled From The River Tyne, Sarah Tucker Heads North For A Closer Look. She Identifies The Dead Woman As Private Detective Zoe Boehm, But Putting A Name To The Corpse Only Raises Further Questions. Did Zoe Kill Herself, Or Did One Of Her Old Cases Come Looking For Her? Why Was She Wearing A Jacket A Murderer Had Stolen Years Before?