Jaded detective John Verney is on the trail of an ancient cult of Plague Doctors which is cutting a bloody swathe through the London underworld. Dismissed by his superiors as gang on gang killings, the murders draw Verney into an obsessive maze of a secret society conspiracy with links to the Jack The Ripper murders of 1888, putting him and his family in grave danger.

15-year-old Kyle believes he can save his dying older brother with a plant he's found at the back of a garden centre. Problem is, there's a shadowy government agency out to destroy it first.

In the shadow of the Range Rover murders, drugs, violence and revenge continue to reign in a criminal underworld even darker and deadlier than before as a new generation of Essex Boys begin to carve their bloody mark.