The mysterious disappearance of a Scottish fishing trawler and a death on-board the submarine HMS Vigil bring the police into conflict with the Navy and British security services. DCI Amy Silva and DS Kirsten Longacre lead an investigation on land and at sea into a conspiracy that goes to the very heart of Britain’s national security.
Where to watch
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Peacock Premium
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Peacock Premium Plus
see all options Availability data: JustWatch
- Seasons
- 3
- Episodes aired
- 16
- Latest aired
- S03E04
- Total runtime
- 15h 23min
Timeline when each season aired
- Season 1 August 2021 – September 2021 6 episodes
- the show was away for 2 years and 2 months
- Season 2 December 2023 6 episodes
- the show was away for 2 years and 8 months
- Season 3 August 2026 – September 2026 6 episodes
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S03E01 Episode 1
August 30 · 57min find the promo
Show synopsis
DCI Silva and DI Longacre investigate the murder of a British citizen in the Arctic, but they soon find themselves caught in an escalating political situation.
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S03E02 Episode 2
August 31 · 58min find the promo
Show synopsis
Amy is on the clock to save a hostage, while Kirsten navigates international agendas in the Arctic in the hunt for a missing Chinese scientist.
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S03E03 Episode 3
September 6 · 57min find the promo
Show synopsis
Amy needs to help Kirsten after the death of someone on the hub. She is faced with a ticking clock to clear Kirsten’s name before she is made into a scapegoat.
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S03E04 Episode 4
September 7 · 58min find the promo
Show synopsis
Henrik and Kirsten close in on the missing Jia, with Amy not far behind. But as tensions rise and new allegiances are formed, the danger of the Arctic wilderness becomes apparent.
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S03E05 Episode 5
September 13 · 56min find the promo
Show synopsis
The truth of Jia’s discovery forces Amy and Kirsten to reassess the situation on Svalbard and embark on a rescue mission that has them facing a new, unexpected danger.
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S03E06 Episode 6
September 14 · 59min find the promo
Show synopsis
Amy finds herself on the wrong side of the law, and Kirsten puts herself in danger to keep Amy safe and get to the truth – leading to the hardest choice of their careers.