Not to Tell: do you promise

DCI Ted Darling is back from a well-earned break. But with a triple murder case still stalled, and witnesses refusing to talk, the last thing he and his team need is another suspected murder on their patch. Especially an unusual and gruesome one with Organised Crime links necessitating a joint operation.

Then he sees something which arouses his suspicions and has him wondering ... could there be a killer on his own team?