Wire in the Blood S03E03 - Nothing But The Night

The murder of a woman, battered to death with a steam iron and ironing board, brings Tony back from a publicity tour for his latest book to join Carol's investigation. More bizarre but completely different deaths follow, and Tony is baffled, unable to create a profile for a seemingly schizophrenic killer. As he is stalked by a Canadian woman he met on the book tour, Tony realises they must focus on the relationships at work behind the crimes.