Omschrijving

The murder of a female GP in a rural playground in front of numerous witnesses draws a group of detectives into an ever-darkening mystery that takes them across Europe, aided by mysterious notes sent by the "Ghost Detective". 

Season 1, Episode 1: 

When local GP Angela Benton is murdered by an oddly behaving man, detectives Bobby Day, Nina Suresh and Alec Wayfield commence what appears to be a straightforward investigation - but there is more to her death than meets the eye.