The police launch an investigation to find the bombers, whose skill and sophistication keeps them one step ahead. Under pressure to get results, Helen makes a breakthrough.
The series turns the spotlight on counter terrorism policing and the extraordinary work of the Metropolitan Police Bomb Disposal Squad. When a terrorist campaign threatens the capital over the summer, the Expos are at the forefront of urgent efforts to find out who is behind the bombings before fatalities escalate.
Trigger Point - Series 2, Episode 2 Synopsis and Schedule