1. The Attack

On 7 July 2005, four bombs explode in London. Detectives, survivors, emergency services and victims families relive the moment. Who did it, and will the bombers strike again?

2. Fragments of Evidence

Following the 7/7 attacks, politicians, survivors and police come to terms with the impact. The police frantically investigate, and the government urgently reassures the public.

3. Bombers Strike Again

Two weeks after 7/7 attack, the police are on the trail of the bombers. On 21 July, there’s another attack. Four bombers are on the run, and the manhunt leads to a catastrophic shooting.