As the security service's position grows weaker, the police takes the opportunity to reclaim control of the investigation. David struggles to come to terms with the devastating events of the previous 24 hours, and finds himself being questioned by counter-terrorism agents. Pushed to breaking point, he finds an unexpected source of support in his estranged wife, who leaves him determined to take an active role in the case - starting by finding out more about those in the government who work closely with Julia.
Set in and around the corridors of power, Bodyguard tells the fictional story of David Budd, a heroic but volatile war veteran now working as a Specialist Protection Officer for the Royalty and Specialist Protection Branch of London's Metropolitan Police Service. When he is assigned to protect the ambitious and powerful Home Secretary Julia Montague, whose politics stand for everything he despises, Budd finds himself torn between his duty and beliefs. Responsible for her safety, is he actually her biggest threat?
Bodyguard - Series 1, Episode 4 Synopsis and Schedule