The peace camp in Vigil is inspired by the real-life Faslane peace camp, which is located next to Faslane Naval base in Scotland - the home of the Trident nuclear programme. The drama series also examines the psychological impact on submariners after being on duty underwater for long periods of time.

How much of vigil is true?

AS Vigil, starring Martin Compston and Suranne Jones, continues to enthral television audiences, many people have asked is it all based on a true story? The short answer to that is no, as no submariner, as far as we know, has ever been murdered aboard a Trident ballistic missile submarine.

Is vigil filmed in a real submarine?

While some locals may recognise these areas of the show, the majority of the filming actually took place on a set created to look like a Trident submarine. ... “First of all, there was a Trident submarine – the setting for the majority of the show.