PIGPEN - Frances Mackintosh

Agatha Taylor is the daughter of the Grey Trench Coat Man, a serial killer who met a gruesome end.

She is also out of control. She preys on the harmless and unsuspecting, and kills them for her pleasure.

Her mother, Faith Taylor, has her own dark secrets. She is dating narcissistic sociopath, Tom Quick. He is also the chief executive of Northshireland County Council. Tom always gets what he wants and he wants Faith to commit murder.

DNA found at a crime scene leads DC Earle and DC Sterling to Faith's rural farm in Northumberland. She must protect the gruesome secrets of the pigpen.

But who will she kill?

DCs Earle and Sterling or her own daughter?