You think you know who to trust? You think you know the difference between good and evil? You\'re wrong....
As Exeter suffers a rising count of gruesome deaths, troubled DS Imogen Grey and DS Adrian.
It meant the end.
Hours earlier he\'d received a package, and only he could understand the silent message it conveyed.
The body of the head teacher of an exclusive Devon school is found hanging from the rafters in the assembly hall.
A lesson you will never forget.
You think you know who to trust? You think you know the difference between good and evil? You\'re wrong...