The Royal Bodyguard follows the escapades of Captain Guy Hubble (Sir David Jason), an ex-guardsman who saw action in Cyprus and Northern Ireland. Now Head of Security at Buckingham Palace car park, he is surprisingly appointed as Royal Bodyguard after saving the Queen's life in an act of bravery on the day of the State Opening of Parliament.This is much to the frustration of Hubble's boss Colonel Dennis Whittington, who is desperate to see the back of Hubble and knows only too well about his relentless mishaps. Hubble takes his new role very seriously but soon manages to upset foreign ambassadors, his colleagues and members of the public as he haphazardly carries out his security checks and takes on personal rescue missions for the Queen and her family. Hubble manages to endanger Royal security repeatedly and on a colossal scale, yet somehow comes up smelling of roses every time.
Guy Hubble, whose first assignment as royal bodyguard is to investigate an assassination plot against a member of the royal family.
A routine shopping trip in London turns dangerous after a misunderstanding between Hubble and another member of royal security.
Guy Hubble's plans to protect the royal family are thrown into confusion when he is kidnapped by his old nemesis.
Hubble is sent to investigate a burglary at Buckingham Palace but the evidence points to him as one of the thieves.