Lana and her team were dispatched to examine a London black cab abandoned in a desolate wasteland, and quickly discovered that something far more troubling was at play.

Counter-terrorism police sought to connect the victims of the attacks, but a well-intentioned intervention proved disastrous, leaving the unit adrift.

The Counter Terrorism Command gained a clearer understanding of the recent murders with Lana's assistance, but their advancements did not escape the attention of the bomber as their efforts intensified.

Despair had begun to settle over the search for the last missing person, until a fresh thread of possibility appeared. Now that Lana was known to the bomber, her vigilance had to sharpen; she faced a heightened risk of his snares.

The bomber’s chosen target embodies the entirety of their campaign, a grim reflection of their aims. With time dwindling, Lana races to locate the bomb amidst the ensuing chaos.

Following a final, desperate assault, Lana confronts the consequences as the truth behind the campaign surfaces, and the long-sought confession at last emerges.