John Wallace is a target.
Exiled and off-grid after uncovering the shadowy Pendulum conspiracy, John Wallace discovers he is still marked for death.
There are only two people he can trust.
DI Patrick Bailey is haunted by the case that nearly cost him his life. FBI Agent Christine Ash hunts a serial killer with a dark link to the past.
They must find the truth.
The suspicious death of a journalist hurls them back together to face dangers they can barely comprehend.
Before the killer finds them.
Stalked across the globe, they are plunged into an explosive nightmare deadlier than they ever imagined.
