Set in contemporary London, Trigger Point focuses on the Bomb Disposal Squad. Known as "Expo", officers risk their lives daily on ‘the long walk' towards danger. Death is always just a heartbeat away. Front line officer Lana Washington, is an experienced bomb disposal operative. Reckless and out of control, Lana is ex-military and pushed to breaking point dealing with a series of improvised explosive devices which threaten the capital during a terrorist summer campaign.

Under extreme pressure and searching for answers, Lana can't help but become suspicious that the bomber is premeditatedly targeting her unit. It's a terrifying thought, but against all odds how does she prove it and discover the bomber's real identity?